List of nuclides
This list of nuclides shows observed nuclides that either are stable or, if radioactive, have half-lives longer than one hour. This represents isotopes of the first 105 elements, except for elements 87 (francium), 102 (nobelium) and 104 (rutherfordium). At least 3,300 nuclides have been experimentally characterized[1] (see List of radioactive nuclides by half-life for the nuclides with decay half-lives less than one hour).
A nuclide is defined conventionally as an experimentally examined bound collection of protons and neutrons that either is stable or has an observed
Introduction
There are 251 known so-called
The next group is the primordial radioactive nuclides. These have been measured to be radioactive, or decay products have been identified (tellurium-128, barium-130). There are (currently) 35 of these (see
The list then covers the ~700 radionuclides with half-lives longer than 1 hour, split into two tables, half-lives greater than one day and less than one day.
Over 60 nuclides that have half-lives too short to be primordial can be detected in nature as a result of later production by natural processes, mostly in trace amounts. These include ~44 radionuclides occurring in the decay chains of primordial uranium and thorium (radiogenic nuclides), such as radon-222. Others are the products of interactions with energetic cosmic-rays (e.g. cosmic ray spallation) (cosmogenic nuclides), such as carbon-14. This gives a total of about 350 naturally occurring nuclides. Other nuclides may be occasionally produced naturally by rare cosmogenic interactions or as a result of other natural nuclear reactions (nucleogenic nuclides), but are difficult to detect.
Further shorter-lived nuclides have been detected in the spectra of stars, such as isotopes of technetium, promethium, and some actinides. The remaining nuclides are known solely from artificial nuclear transmutation. Some, such as caesium-137, are found in the environment but as a result of contamination from releases of man-made nuclear fission product (from nuclear weapons, nuclear reactors, and other processes). Other are produced artificially for industrial or medical purposes.
List legend
Each group of radionuclides, starting with the longest-lived primordial radionuclides, is sorted by decreasing half-life, but the tables are sortable by other columns.
- no (number) column
- A running positive integer for reference. This number, i.e. position in this table, might be changed in the future, especially for nuclides with short half-lives.
- nuclide column
- Nuclide identifiers are given by their atomic mass number A and the symbol for the corresponding chemical element (corresponding to the unique proton number). In the cases that this is not the ground state, this is indicated by a m for metastable appended to the mass number. Sorting here sorts by mass number.
- Z, N column
- The number of protons (Z column) and number of neutrons (N column).
- energy column
- The column labeled "energy" denotes the energy equivalent of the mass of a neutron minus the mass per MeV, formally: mn − mnuclide / A, where A = Z + N is the mass number. Note that this means that a higher "energy" value actually means that the nuclide has a lower energy. The mass of the nuclide (in daltons) is A (mn − E / k) where E is the energy, mn is 1.008664916 Da and k = 931.49410242 the conversion factor between MeV and daltons.
- half-life column
- The main column shows times in seconds (31,556,926 seconds = 1 tropical year); a second column showing half-life in more usual units (year, day) is also provided.
- Entries starting with a ">" indicates that no decay has ever been observed, with null experiments establishing lower limits for the half-life. Such elements are considered stable unless a decay can be observed (establishing an actual estimate for the half-life). Note half-lives may be imprecise estimates and can be subject to significant revision.
- decay mode column
α α decay β− β− decay β−β− double β− decay ε electron capture β+ β+ decay β+β+ double β+ decay SF spontaneous fission IT isomeric transition - Decay modes in parentheses are still not observed through experiment but are, by their energy, predicted to occur. Numbers in brackets indicate probability of that decay mode occurring in %, tr indicate <0.1%. Spontaneous fission is not shown as a theoretical decay mode for stable nuclides where other modes are possible (see these nuclides).
- decay energy column
- Multiple values for (maximal) decay energy are mapped to decay modes in their order. The decay energy listed is for the specific nuclide only, not for the whole decay chain. It includes the energy lost to neutrinos.
- notes column
-
- CG
- Cosmogenic nuclide;
- DP
- Naturally occurring decay product (of thorium-232, uranium-238, and uranium-235);
- ESS
- Present in the early Solar System (first few million years), but extinct now as a primordial nuclide.
- FP
- Nuclear fission product (only those from uranium-235 or plutonium-239) (only those with a half-life over one day are shown);
- IM
- Industry or medically used radionuclide.[2]
Full list
Theoretically stable nuclides
These are the theoretically stable nuclides, ordered by "energy".
No. | Nuclide | A | Z | N | Energy (MeV) |
---|---|---|---|---|---|
1 | 56Fe | 56 | 26 | 30 | 9.153567 |
2 | 62Ni | 62 | 28 | 34 | 9.147877 |
3 | 60Ni | 60 | 28 | 32 | 9.145862 |
4 | 58Fe | 58 | 26 | 32 | 9.142938 |
5 | 52Cr | 52 | 24 | 28 | 9.137037 |
6 | 57Fe | 57 | 26 | 31 | 9.127119 |
7 | 59Co | 59 | 27 | 32 | 9.126046 |
8 | 54Cr | 54 | 24 | 30 | 9.125633 |
9 | 61Ni | 61 | 28 | 33 | 9.124129 |
10 | 55Mn | 55 | 25 | 30 | 9.120611 |
11 | 64Ni | 64 | 28 | 36 | 9.119754 |
12 | 66Zn | 66 | 30 | 36 | 9.115258 |
13 | 53Cr | 53 | 24 | 29 | 9.114435 |
14 | 63Cu | 63 | 29 | 34 | 9.112272 |
15 | 65Cu | 65 | 29 | 36 | 9.106154 |
16 | 68Zn | 68 | 30 | 38 | 9.100845 |
17 | 50Ti | 50 | 22 | 28 | 9.099861 |
18 | 51V | 51 | 23 | 28 | 9.094884 |
19 | 67Zn | 67 | 30 | 37 | 9.084468 |
20 | 48Ti | 48 | 22 | 26 | 9.081488 |
21 | 72Ge | 72 | 32 | 40 | 9.079465 |
22 | 70Ge | 70 | 32 | 38 | 9.079372 |
23 | 69Ga | 69 | 31 | 38 | 9.076078 |
24 | 88Sr | 88 | 38 | 50 | 9.070438 |
25 | 74Ge | 74 | 32 | 42 | 9.063522 |
26 | 49Ti | 49 | 22 | 27 | 9.062323 |
27 | 76Se | 76 | 34 | 42 | 9.061485 |
28 | 71Ga | 71 | 31 | 40 | 9.059218 |
29 | 78Se | 78 | 34 | 44 | 9.058842 |
30 | 90Zr | 90 | 40 | 50 | 9.057631 |
31 | 89Y | 89 | 39 | 50 | 9.056743 |
32 | 86Sr | 86 | 38 | 48 | 9.054160 |
33 | 82Kr | 82 | 36 | 46 | 9.054126 |
34 | 84Kr | 84 | 36 | 48 | 9.052649 |
35 | 73Ge | 73 | 32 | 41 | 9.048006 |
36 | 87Sr | 87 | 38 | 49 | 9.046964 |
37 | 75As | 75 | 33 | 42 | 9.045093 |
38 | 80Kr | 80 | 36 | 44 | 9.044984 |
39 | 77Se | 77 | 34 | 43 | 9.040153 |
40 | 85Rb | 85 | 37 | 48 | 9.037998 |
41 | 91Zr | 91 | 40 | 51 | 9.037156 |
42 | 83Kr | 83 | 36 | 47 | 9.034966 |
43 | 79Br | 79 | 35 | 44 | 9.034220 |
44 | 81Br | 81 | 35 | 46 | 9.033979 |
45 | 92Zr | 92 | 40 | 52 | 9.032783 |
46 | 46Ti | 46 | 22 | 24 | 9.030532 |
47 | 47Ti | 47 | 22 | 25 | 9.027336 |
48 | 44Ca | 44 | 20 | 24 | 9.013793 |
49 | 94Mo | 94 | 42 | 52 | 9.011856 |
50 | 93Nb | 93 | 41 | 52 | 9.009051 |
51 | 96Mo | 96 | 42 | 54 | 8.996229 |
52 | 95Mo | 95 | 42 | 53 | 8.994564 |
53 | 42Ca | 42 | 20 | 22 | 8.989116 |
54 | 38Ar | 38 | 18 | 20 | 8.984870 |
55 | 45Sc | 45 | 21 | 24 | 8.983945 |
56 | 97Mo | 97 | 42 | 55 | 8.973806 |
57 | 98Ru | 98 | 44 | 54 | 8.971572 |
58 | 43Ca | 43 | 20 | 23 | 8.964551 |
59 | 100Ru | 100 | 44 | 56 | 8.963517 |
60 | 99Ru | 99 | 44 | 55 | 8.956348 |
61 | 34S | 34 | 16 | 18 | 8.951675 |
62 | 40Ar | 40 | 18 | 22 | 8.947325 |
63 | 102Ru | 102 | 44 | 58 | 8.944837 |
64 | 101Ru | 101 | 44 | 57 | 8.942117 |
65 | 41K | 41 | 19 | 22 | 8.938623 |
66 | 39K | 39 | 19 | 20 | 8.938174 |
67 | 104Pd | 104 | 46 | 58 | 8.930847 |
68 | 37Cl | 37 | 17 | 20 | 8.929760 |
69 | 103Rh | 103 | 45 | 58 | 8.925910 |
70 | 36S | 36 | 16 | 20 | 8.923108 |
71 | 106Pd | 106 | 46 | 60 | 8.919460 |
72 | 105Pd | 105 | 46 | 59 | 8.913356 |
73 | 35Cl | 35 | 17 | 18 | 8.900285 |
74 | 108Pd | 108 | 46 | 62 | 8.900253 |
75 | 107Ag | 107 | 47 | 60 | 8.897514 |
76 | 110Cd | 110 | 48 | 62 | 8.892718 |
77 | 30Si | 30 | 14 | 16 | 8.885761 |
78 | 109Ag | 109 | 47 | 62 | 8.885300 |
79 | 32S | 32 | 16 | 16 | 8.884318 |
80 | 33S | 33 | 16 | 17 | 8.876964 |
81 | 31P | 31 | 15 | 16 | 8.859744 |
82 | 28Si | 28 | 14 | 14 | 8.838935 |
83 | 29Si | 29 | 14 | 15 | 8.826327 |
84 | 112Cd | 112 | 48 | 64 | 8.880077 |
85 | 111Cd | 111 | 48 | 63 | 8.875445 |
86 | 114Sn | 114 | 50 | 64 | 8.865722 |
87 | 113In | 113 | 49 | 64 | 8.862212 |
88 | 116Sn | 116 | 50 | 66 | 8.860362 |
89 | 115Sn | 115 | 50 | 65 | 8.854249 |
90 | 118Sn | 118 | 50 | 68 | 8.848073 |
91 | 117Sn | 117 | 50 | 67 | 8.843977 |
92 | 120Sn | 120 | 50 | 70 | 8.830537 |
93 | 119Sn | 119 | 50 | 69 | 8.828201 |
94 | 121Sb | 121 | 51 | 70 | 8.811783 |
95 | 122Te | 122 | 52 | 70 | 8.811606 |
96 | 124Te | 124 | 52 | 72 | 8.801364 |
97 | 123Sb | 123 | 51 | 72 | 8.796727 |
98 | 126Te | 126 | 52 | 74 | 8.786126 |
99 | 125Te | 125 | 52 | 73 | 8.783505 |
100 | 128Xe | 128 | 54 | 74 | 8.773359 |
101 | 127I | 127 | 53 | 74 | 8.771981 |
102 | 130Xe | 130 | 54 | 76 | 8.762725 |
103 | 129Xe | 129 | 54 | 75 | 8.758904 |
104 | 132Xe | 132 | 54 | 78 | 8.747695 |
105 | 131Xe | 131 | 54 | 77 | 8.746253 |
106 | 134Ba | 134 | 56 | 78 | 8.735133 |
107 | 133Cs | 133 | 55 | 78 | 8.733515 |
108 | 136Ba | 136 | 56 | 80 | 8.724908 |
109 | 135Ba | 135 | 56 | 79 | 8.722072 |
110 | 137Ba | 137 | 56 | 81 | 8.711628 |
111 | 138Ba | 138 | 56 | 82 | 8.710904 |
112 | 27Al | 27 | 13 | 14 | 8.708242 |
113 | 140Ce | 140 | 58 | 82 | 8.700494 |
114 | 139La | 139 | 57 | 82 | 8.698892 |
115 | 26Mg | 26 | 12 | 14 | 8.694981 |
116 | 141Pr | 141 | 59 | 82 | 8.681405 |
117 | 142Nd | 142 | 60 | 82 | 8.676646 |
118 | 24Mg | 24 | 12 | 12 | 8.651911 |
119 | 25Mg | 25 | 12 | 13 | 8.599047 |
120 | 156Gd | 156 | 64 | 92 | 8.536342 |
121 | 157Gd | 157 | 64 | 93 | 8.522478 |
122 | 158Gd | 158 | 64 | 94 | 8.518775 |
123 | 159Tb | 159 | 65 | 94 | 8.508680 |
124 | 23Na | 23 | 11 | 12 | 8.485675 |
125 | 163Dy | 163 | 66 | 97 | 8.478607 |
126 | 164Dy | 164 | 66 | 98 | 8.473604 |
127 | 22Ne | 22 | 10 | 12 | 8.436087 |
128 | 20Ne | 20 | 10 | 10 | 8.423422 |
129 | 16O | 16 | 8 | 8 | 8.367390 |
130 | 21Ne | 21 | 10 | 11 | 8.344280 |
131 | 19F | 19 | 9 | 10 | 8.149612 |
132 | 17O | 17 | 8 | 9 | 8.118904 |
133 | 18O | 18 | 8 | 10 | 8.114744 |
134 | 12C | 12 | 6 | 6 | 8.071327 |
135 | 15N | 15 | 7 | 8 | 8.064594 |
136 | 14N | 14 | 7 | 7 | 7.866827 |
137 | 13C | 13 | 6 | 7 | 7.830943 |
138 | 4He | 4 | 2 | 2 | 7.465077 |
139 | 11B | 11 | 5 | 6 | 7.283337 |
140 | 10B | 10 | 5 | 5 | 6.866257 |
141 | 9Be | 9 | 4 | 5 | 6.810483 |
142 | 7Li | 7 | 3 | 4 | 5.941599 |
143 | 6Li | 6 | 3 | 3 | 5.723527 |
144 | 3He | 3 | 2 | 1 | 3.094327 |
145 | 2H | 2 | 1 | 1 | 1.503327 |
146 | 1H | 1 | 1 | 0 | 0.782327 |
Nuclides that are observationally stable, having theoretical decay modes other than spontaneous fission
Ordered by "energy".
No. | Nuclide | A | Z | N | Energy | Decay mode | Decay energy (MeV) |
---|---|---|---|---|---|---|---|
147 | 80Se | 80 | 34 | 46 | 9.043326 | (β−β−) | 0.134 |
148 | 86Kr | 86 | 36 | 50 | 9.039532 | (β−β−) | 1.256 |
149 | 84Sr | 84 | 38 | 46 | 9.031375 | (β+β+) | 1.787 |
150 | 102Pd | 102 | 46 | 56 | 8.933337 | (β+β+) | 1.172 |
151 | 36Ar | 36 | 18 | 18 | 8.911105 | (β+β+) | 0.433 |
152 | 122Sn | 122 | 50 | 72 | 8.808590 | (β−β−) | 0.366 |
153 | 150Sm | 150 | 62 | 88 | 8.585043 | (α) | 1.449 |
154 | 152Sm | 152 | 62 | 90 | 8.563227 | (α) | 0.220 |
155 | 154Gd | 154 | 64 | 90 | 8.549985 | (α) | 0.081 |
156 | 155Gd | 155 | 64 | 91 | 8.536341 | (α) | 0.081 |
157 | 164Er | 164 | 68 | 96 | 8.473462 | (β+β+, α) | 0.024, 1.304 |
158 | 165Ho | 165 | 67 | 98 | 8.464689 | (α) | 0.139 |
159 | 166Er | 166 | 68 | 98 | 8.462482 | (α) | 0.831 |
160 | 167Er | 167 | 68 | 99 | 8.450350 | (α) | 0.666 |
161 | 168Er | 168 | 68 | 100 | 8.446308 | (α) | 0.553 |
162 | 169Tm | 169 | 69 | 100 | 8.433931 | (α) | 1.200 |
163 | 170Yb | 170 | 70 | 100 | 8.428792 | (α) | 1.738 |
164 | 171Yb | 171 | 70 | 101 | 8.418182 | (α) | 1.559 |
165 | 172Yb | 172 | 70 | 102 | 8.415864 | (α) | 1.310 |
166 | 173Yb | 173 | 70 | 103 | 8.404023 | (α) | 0.946 |
167 | 174Yb | 174 | 70 | 104 | 8.398624 | (α) | 0.740 |
168 | 175Lu | 175 | 71 | 104 | 8.386589 | (α) | 1.620 |
169 | 181Ta | 181 | 73 | 108 | 8.338961 | (α) | 1.526 |
170 | 185Re | 185 | 75 | 110 | 8.308204 | (α) | 2.195 |
171 | 191Ir | 191 | 77 | 114 | 8.263508 | (α) | 2.084 |
172 | 194Pt | 194 | 78 | 116 | 8.250519 | (α) | 1.504 |
173 | 193Ir | 193 | 77 | 116 | 8.250259 | (α) | 1.017 |
174 | 195Pt | 195 | 78 | 117 | 8.239516 | (α) | 1.158 |
175 | 196Pt | 196 | 78 | 118 | 8.237896 | (α) | 0.794 |
176 | 197Au | 197 | 79 | 118 | 8.229404 | (α) | 0.954 |
177 | 198Hg | 198 | 80 | 118 | 8.227663 | (α) | 1.383 |
178 | 199Hg | 199 | 80 | 119 | 8.219805 | (α) | 0.824 |
179 | 200Hg | 200 | 80 | 120 | 8.218848 | (α) | 0.718 |
180 | 201Hg | 201 | 80 | 121 | 8.208956 | (α) | 0.334 |
181 | 202Hg | 202 | 80 | 122 | 8.206703 | (α) | 0.136 |
182 | 203Tl | 203 | 81 | 122 | 8.198230 | (α) | 0.911 |
183 | 204Hg | 204 | 80 | 124 | 8.192358 | (β−β−) | 0.416 |
184 | 205Tl | 205 | 81 | 124 | 8.187526 | (α) | 0.157 |
Observationally stable nuclides for which decay has been searched for but not found (only lower bounds known)
Ordered by lower bound on half-life.
No. | Nuclide | A | Z | N | Energy | Half-life (seconds) |
Half-life (years) |
Decay mode | Decay energy (MeV) |
---|---|---|---|---|---|---|---|---|---|
185 | 134Xe | 134 | 54 | 80 | 8.728973 | > 8.8×1029 | > 2.8×1022[3] | (β−β−) | 0.825 |
186 | 40Ca | 40 | 20 | 20 | 8.942485 | > 3.1×1029 | > 9.9×1021[4] | (β+β+) | 0.194 |
187 | 184W | 184 | 74 | 110 | 8.319737 | > 2.8×1029 | > 8.9×1021[4] | (α) | 1.656 |
188 | 182W | 182 | 74 | 108 | 8.336424 | > 2.4×1029 | > 7.7×1021[4] | (α) | 1.772 |
189 | 208Pb | 208 | 82 | 126 | 8.175888 | > 8.2×1028 | > 2.6×1021[5] | (α) | 0.519 |
190 | 206Pb | 206 | 82 | 124 | 8.186791 | > 7.9×1028 | > 2.5×1021[5] | (α) | 1.137 |
191 | 126Xe | 126 | 54 | 72 | 8.779010 | > 6.0×1028 | > 1.9×1021[6] | (β+β+) | 0.897 |
192 | 207Pb | 207 | 82 | 125 | 8.179791 | > 6.0×1028 | > 1.9×1021[5] | (α) | 0.391 |
193 | 120Te | 120 | 52 | 68 | 8.816369 | > 5.0×1028 | > 1.6×1021[4] | (β+β+) | 1.700 |
194 | 106Cd | 106 | 48 | 58 | 8.893327 | > 3.5×1028 | > 1.1×1021[4] | (β+β+) | 2.770 |
195 | 58Ni | 58 | 28 | 30 | 9.109736 | > 2.2×1028 | > 7.0×1020[4] | (β+β+) | 1.926 |
196 | 183W | 183 | 74 | 109 | 8.324699 | > 2.1×1028 | > 6.7×1020[4] | (α) | 1.680 |
197 | 104Ru | 104 | 44 | 60 | 8.918337 | > 2.0×1028 | > 6.5×1020[7] | (β−β−) | 1.300 |
198 | 54Fe | 54 | 26 | 28 | 9.113040 | > 1.4×1028 | > 4.4×1020[8] | (β+β+) | 0.680 |
199 | 132Ba | 132 | 56 | 76 | 8.741288 | > 9.5×1027 | > 3.0×1020[4] | (β+β+) | 0.846 |
200 | 110Pd | 110 | 46 | 64 | 8.874500 | > 9.1×1027 | > 2.9×1020[4] | (β−β−) | 2.000 |
201 | 92Mo | 92 | 42 | 50 | 9.014860 | > 6.0×1027 | > 1.9×1020[4] | (β+β+) | 1.649 |
202 | 204Pb | 204 | 82 | 122 | 8.194414 | > 4.4×1027 | > 1.4×1020[5] | (α) | 1.972 |
203 | 112Sn | 112 | 50 | 62 | 8.862944 | > 3.1×1027 | > 9.7×1019[9] | (β+β+) | 1.922 |
204 | 96Ru | 96 | 44 | 52 | 8.967911 | > 2.5×1027 | > 8.0×1019[4] | (β+β+) | 2.719 |
205 | 192Os | 192 | 76 | 116 | 8.258202 | > 1.7×1027 | > 5.3×1019[4] | (β−β−, α) | 0.413, 0.362 |
206 | 198Pt | 198 | 78 | 120 | 8.222378 | > 1.0×1027 | > 3.2×1019[10] | (β−β−, α) | 1.047, 0.087 |
207 | 160Gd | 160 | 64 | 96 | 8.496009 | > 9.8×1026 | > 3.1×1019[4] | (β−β−) | 1.729 |
208 | 144Sm | 144 | 62 | 82 | 8.640577 | > 4.4×1026 | > 1.4×1019[11] | (β+β+) | 1.781 |
209 | 190Os | 190 | 76 | 114 | 8.275045 | > 3.8×1026 | > 1.2×1019[12] | (α) | 1.378 |
210 | 64Zn | 64 | 30 | 34 | 9.102634 | > 3.5×1026 | > 1.1×1019[13] | (β+β+) | 1.096 |
211 | 74Se | 74 | 34 | 40 | 9.047175 | > 2.2×1026 | > 7.0×1018[14] | (β+β+) | 1.209 |
212 | 186W | 186 | 74 | 112 | 8.299873 | > 1.3×1026 | > 4.1×1018[4] | (α) | 1.123 |
213 | 70Zn | 70 | 30 | 40 | 9.065109 | > 1.2×1026 | > 3.8×1018[4] | (β−β−) | 0.998 |
214 | 188Os | 188 | 76 | 112 | 8.290138 | > 1.0×1026 | > 3.3×1018[12] | (α) | 2.143 |
215 | 143Nd | 143 | 60 | 83 | 8.658792 | > 9.8×1025 | > 3.1×1018[4] | (α) | 0.521 |
216 | 148Nd | 148 | 60 | 88 | 8.594388 | > 9.5×1025 | > 3.0×1018[4] | (β−β−, α) | 1.929, 0.599 |
217 | 142Ce | 142 | 58 | 84 | 8.666666 | > 9.1×1025 | > 2.9×1018[4] | (β−β−, α) | 1.417, 1.298 |
218 | 179Hf | 179 | 72 | 107 | 8.353293 | > 8.5×1025 | > 2.7×1018[15] | (α) | 1.806 |
219 | 196Hg | 196 | 80 | 116 | 8.233710 | > 7.9×1025 | > 2.5×1018[4] | (β+β+, α) | 0.820, 2.027 |
220 | 154Sm | 154 | 62 | 92 | 8.541857 | > 7.3×1025 | > 2.3×1018[4] | (β−β−) | 1.251 |
221 | 146Nd | 146 | 60 | 86 | 8.625649 | > 5.0×1025 | > 1.6×1018[4] | (β−β−, α) | 0.070, 1.182 |
222 | 50Cr | 50 | 24 | 26 | 9.076517 | > 4.1×1025 | > 1.3×1018[4] | (β+β+) | 1.167 |
223 | 178Hf | 178 | 72 | 106 | 8.365958 | > 4.1×1025 | > 1.3×1018[15] | (α) | 2.083 |
224 | 177Hf | 177 | 72 | 105 | 8.370139 | > 3.5×1025 | > 1.1×1018[15] | (α) | 2.245 |
225 | 156Dy | 156 | 66 | 90 | 8.523443 | > 3.2×1025 | > 1.0×1018[4] | (β+β+, α) | 2.011, 1.758 |
226 | 153Eu | 153 | 63 | 90 | 8.550893 | > 1.8×1025 | > 5.5×1017[4] | (α) | 0.274 |
227 | 180Hf | 180 | 72 | 108 | 8.347930 | > 1.5×1025 | > 4.6×1017[15] | (α) | 1.283 |
228 | 108Cd | 108 | 48 | 60 | 8.897735 | > 1.3×1025 | > 4.1×1017[4] | (β+β+) | 0.272 |
229 | 170Er | 170 | 68 | 102 | 8.424945 | > 1.3×1025 | > 4.1×1017[4] | (β−β−, α) | 0.654, 0.050 |
230 | 138Ce | 138 | 58 | 80 | 8.705878 | > 1.3×1025 | > 4.0×1017[16] | (β+β+) | 0.694 |
231 | 180mTa | 180 | 73 | 107 | 8.342767 | > 9.1×1024 | > 2.9×1017[17] | (β−, ε, α) | 0.783, 0.929, 2.103 |
232 | 176Hf | 176 | 72 | 104 | 8.381427 | > 8.5×1024 | > 2.7×1017[15] | (α) | 2.255 |
233 | 46Ca | 46 | 20 | 26 | 9.009047 | > 5.7×1024 | > 1.8×1017[18] | (β−β−) | 0.988 |
234 | 176Yb | 176 | 70 | 106 | 8.375271 | > 5.0×1024 | > 1.6×1017[4] | (β−β−, α) | 1.083, 0.570 |
235 | 94Zr | 94 | 40 | 54 | 8.999698 | > 3.5×1024 | > 1.1×1017[4] | (β−β−) | 1.144 |
236 | 124Sn | 124 | 50 | 74 | 8.782914 | > 3.2×1024 | > 1.0×1017[4] | (β−β−) | 2.287 |
237 | 162Dy | 162 | 66 | 96 | 8.492234 | > 3.2×1024 | > 1.0×1017[19] | (α) | 0.085 |
238 | 136Ce | 136 | 58 | 78 | 8.707122 | > 3.0×1024 | > 9.6×1016[16] | (β+β+) | 2.419 |
239 | 114Cd | 114 | 48 | 66 | 8.860985 | > 2.9×1024 | > 9.2×1016[4] | (β−β−) | 0.540 |
240 | 123Te | 123 | 52 | 71 | 8.796302 | > 2.9×1024 | > 9.2×1016[20] | (ε) | 0.052 |
241 | 145Nd | 145 | 60 | 85 | 8.632963 | > 1.9×1024 | > 6.0×1016[4] | (α) | 1.578 |
242 | 192Pt | 192 | 78 | 114 | 8.260353 | > 1.9×1024 | > 6.0×1016[4] | (α) | 2.418 |
243 | 161Dy | 161 | 66 | 95 | 8.494067 | > 1.1×1024 | > 3.5×1016[19] | (α) | 0.344 |
244 | 160Dy | 160 | 66 | 94 | 8.506816 | > 2.7×1023 | > 8.5×1015[19] | (α) | 0.439 |
245 | 189Os | 189 | 76 | 113 | 8.277599 | > 1.1×1023 | > 3.5×1015[12] | (α) | 1.976 |
246 | 187Os | 187 | 76 | 111 | 8.291746 | > 1.0×1023 | > 3.2×1015[12] | (α) | 2.720 |
247 | 149Sm | 149 | 62 | 87 | 8.589058 | > 6.3×1022 | > 2.0×1015[4] | (α) | 1.870 |
248 | 158Dy | 158 | 66 | 92 | 8.516973 | > 3.2×1022 | > 1.0×1015[19] | (β+β+, α) | 0.283, 0.875 |
249 | 162Er | 162 | 68 | 94 | 8.480852 | > 4.4×1021 | > 1.4×1014[4] | (β+β+, α) | 1.844, 1.646 |
250 | 168Yb | 168 | 70 | 98 | 8.437845 | > 4.1×1021 | > 1.3×1014[4] | (β+β+, α) | 1.422, 1.951 |
251 | 98Mo | 98 | 42 | 56 | 8.970426 | > 3.2×1021 | > 1.0×1014[4] | (β−β−) | 0.112 |
Primordial radioactive nuclides (half-life > 5 × 108 years)
Ordered by half-life.
No. | Nuclide | A | Z | N | Energy | Half-life | Decay mode | Decay energy (MeV) | |
---|---|---|---|---|---|---|---|---|---|
(seconds) | (years) | ||||||||
252 | 128Te | 128 | 52 | 76 | 8.743261 | 6.94×1031 | 2.2×1024 | β−β− | 0.868 |
253 | 124Xe | 124 | 54 | 70 | 8.778264 | 5.68×1029 | 1.8×1022 | εε | 2.864 |
254 | 78Kr | 78 | 36 | 42 | 9.022349 | 2.90×1029 | 9.2×1021 | εε | 2.846 |
255 | 136Xe | 136 | 54 | 82 | 8.706805 | 7.5×1028 | 2.38×1021 | β−β− | 2.462 |
256 | 76Ge | 76 | 32 | 44 | 9.034656 | 5.642×1028 | 1.8×1021 | β−β− | 2.039 |
257 | 130Ba | 130 | 56 | 74 | 8.742574 | 3.79×1028 | 1.2×1021 | εε | 2.620 |
258 | 82Se | 82 | 34 | 48 | 9.017596 | 3.408×1027 | 1.1×1020 | β−β− | 2.995 |
259 | 48Ca | 48 | 20 | 28 | 8.992452 | 1.766×1027 | 5.6×1019[4] | β−β− | 4.274 |
260 | 116Cd | 116 | 48 | 68 | 8.836146 | 9.783×1026 | 3.1×1019 | β−β− | 2.809 |
261 | 209Bi | 209 | 83 | 126 | 8.158689 | 6.343×1026 | 2.01×1019 | α | 3.137 |
262 | 96Zr | 96 | 40 | 56 | 8.961359 | 6.3×1026 | 2.0×1019 | β−β− | 3.348 |
263 | 130Te | 130 | 52 | 78 | 8.766578 | 2.777×1026 | 8.8×1018 | β−β− | 2.530 |
264 | 150Nd | 150 | 60 | 90 | 8.562594 | 2.493×1026 | 7.9×1018 | β−β− | 3.367 |
265 | 100Mo | 100 | 42 | 58 | 8.933167 | 2.461×1026 | 7.8×1018 | β−β− | 3.035 |
266 | 151Eu | 151 | 63 | 88 | 8.565759 | 1.458×1026 | 4.62×1018 | α | 1.964 |
267 | 180W | 180 | 74 | 106 | 8.347127 | 5.680×1025 | 1.8×1018 | α | 2.509 |
268 | 50V | 50 | 23 | 27 | 9.055759 | 4.418×1024 | 1.4×1017 | β+, β− | 2.205, 1.038 |
269 | 174Hf | 174 | 72 | 102 | 8.392287 | 2.2×1024 | 7.0×1016[21] | α | 2.497 |
270 | 113Cd | 113 | 48 | 65 | 8.859372 | 2.430×1023 | 7.7×1015 | β− | 0.321 |
271 | 148Sm | 148 | 62 | 86 | 8.607423 | 1.988×1023 | 6.3×1015 | α | 1.986 |
272 | 144Nd | 144 | 60 | 84 | 8.652947 | 7.227×1022 | 2.29×1015 | α | 1.905 |
273 | 186Os | 186 | 76 | 110 | 8.302508 | 6.312×1022 | 2.0×1015 | α | 2.823 |
274 | 115In | 115 | 49 | 66 | 8.849910 | 1.392×1022 | 4.4×1014 | β− | 0.499 |
275 | 152Gd | 152 | 64 | 88 | 8.562868 | 3.408×1021 | 1.1×1014 | α | 2.203 |
276 | 184Os | 184 | 76 | 108 | 8.311850 | 3.53×1020 | 1.12×1013 | α | 2.963 |
277 | 190Pt | 190 | 78 | 112 | 8.267764 | 1.524×1019 | 4.83×1011 | α | 3.252 |
278 | 147Sm | 147 | 62 | 85 | 8.610593 | 3.364×1018 | 1.066×1011 | α | 2.310 |
279 | 138La | 138 | 57 | 81 | 8.698320 | 3.219×1018 | 1.02×1011 | β+, β− | 1.737, 1.044 |
280 | 87Rb | 87 | 37 | 50 | 9.043718 | 1.568×1018 | 4.97×1010 | β− | 0.283 |
281 | 187Re | 187 | 75 | 112 | 8.291732 | 1.300×1018 | 4.12×1010 | β− | 0.0026 |
282 | 176Lu | 176 | 71 | 105 | 8.374665 | 1.187×1018 | 3.764×1010 | β−, β+[4] | 1.193 |
283 | 232Th | 232 | 90 | 142 | 7.918533 | 4.434×1017 | 1.406×1010 | α, SF | 4.083 |
284 | 238U | 238 | 92 | 146 | 7.872551 | 1.410×1017 | 4.471×109 | α, SF, β−β− | 4.270 |
285 | 40K | 40 | 19 | 21 | 8.909707 | 3.938×1016 | 1.25×109 | β−, β+ | 1.311, 1.505, 1.505 |
286 | 235U | 235 | 92 | 143 | 7.897198 | 2.222×1016 | 7.04×108 | α, SF | 4.679 |
Radionuclides with half-lives of 10,000 years to 5 × 108 years
Ordered by half-life. Some of these are known to have been present in the early Solar System (marked "ESS", meaning the first few million years of the Solar System's history), because of an excess of their decay products.[22]
No. | Nuclide | Z | N | Energy | Half-life | Decay mode | Notes | |
---|---|---|---|---|---|---|---|---|
(seconds) | (years) | |||||||
287 | 146Sm | 62 | 84 | 8.626136 | 3.250×1015 | 1.03×108 | α | ESS[22] |
288 | 244Pu | 94 | 150 | 7.826221 | 2.525×1015 | 8.0×107 | α, SF | interstellar,[23] ESS[22] |
289 | 92Nb | 41 | 51 | 9.010980 | 1.095×1015 | 3.47×107 | β+, β− | CG, ESS[22] |
290 | 236U | 92 | 144 | 7.891470 | 7.391×1014 | 2.34×107 | α, SF | DP |
291 | 205Pb | 82 | 123 | 8.187279 | 5.459×1014 | 1.73×107 | β+ | ESS[22] |
292 | 129I | 53 | 76 | 8.757397 | 4.955×1014 | 1.57×107 | β− | CG, FP, ESS[22] |
293 | 247Cm | 96 | 151 | 7.806008 | 4.923×1014 | 1.56×107 | α | ESS[22] |
294 | 182Hf | 72 | 110 | 8.324399 | 2.809×1014 | 8.90×106 | β− | ESS[22] |
295 | 107Pd | 46 | 61 | 8.897197 | 2.051×1014 | 6.50×106 | β− | FP, ESS[22] |
296 | 97Tc | 43 | 54 | 8.970503 | 1.329×1014 | 4.21×106 | β+ | |
297 | 98Tc | 43 | 55 | 8.953246 | 1.325×1014 | 4.20×106 | β− | |
298 | 53Mn | 25 | 28 | 9.103175 | 1.180×1014 | 3.74×106 | β+ | CG, ESS[22] |
299 | 60Fe | 26 | 34 | 9.094861 | 8.268×1013 | 2.62×106 | β− | CG,[24] interstellar,[25] ESS[22] |
300 | 210mBi | 83 | 127 | 8.140473 | 9.594×1013 | 2.58×106 | α | |
301 | 237Np |
93 | 144 | 7.881989 | 6.766×1013 | 2.14×106 | α, SF | DP |
302 | 150Gd | 64 | 86 | 8.576454 | 5.649×1013 | 1.79×106 | α | |
303 | 93Zr |
40 | 53 | 9.008069 | 4.828×1013 | 1.53×106 | β− | FP |
304 | 10Be | 4 | 6 | 6.810657 | 4.765×1013 | 1.51×106 | β− | CG, ESS[22] |
305 | 154Dy | 66 | 88 | 8.528457 | 4.415×1013 | 1.40×106[26] | α | |
306 | 135Cs |
55 | 80 | 8.720082 | 4.194×1013 | 1.33×106[4] | β− | FP |
307 | 26Al | 13 | 13 | 8.540954 | 2.263×1013 | 717000 | β+ | CG, ESS[22] |
308 | 242Pu | 94 | 148 | 7.845218 | 1.183×1013 | 375000 | α, SF | |
309 | 208Bi | 83 | 125 | 8.162049 | 1.161×1013 | 368000 | β+ | |
310 | 248Cm | 96 | 152 | 7.799586 | 1.098×1013 | 348000 | α, SF | |
311 | 36Cl | 17 | 19 | 8.891380 | 9.499×1012 | 301000 | β−, β+ | CG, IM |
312 | 79Se | 34 | 45 | 9.032310 | 9.309×1012 | 295000 | β− | FP |
313 | 234U | 92 | 142 | 7.908308 | 7.747×1012 | 245500 | α, SF | DP |
314 | 126Sn | 50 | 76 | 8.754026 | 7.258×1012 | 223000 | β− | FP |
315 | 81Kr | 36 | 45 | 9.030513 | 7.227×1012 | 229000 | β+ | CG |
316 | 99Tc | 43 | 56 | 8.953379 | 6.662×1012 | 211100 | β− | FP, DP |
317 | 186mRe | 75 | 111 | 8.295958 | 6.312×1012 | 200000 | IT | |
318 | 233U | 92 | 141 | 7.912873 | 5.024×1012 | 159200 | α, SF | DP |
319 | 236Np | 93 | 143 | 7.887514 | 4.860×1012 | 154000 | β+, β−, α | |
320 | 41Ca | 20 | 21 | 8.928347 | 3.219×1012 | 102000 | β+ | CG, ESS[22] |
321 | 59Ni | 28 | 31 | 9.107863 | 2.398×1012 | 76000 | β+ | |
322 | 230Th | 90 | 140 | 7.937136 | 2.379×1012 | 75400 | α, SF | DP |
323 | 137La | 57 | 80 | 8.707101 | 1.893×1012 | 60000 | β+ | |
324 | 202Pb | 82 | 120 | 8.199714 | 1.657×1012 | 52500 | β+ | |
325 | 231Pa | 91 | 140 | 7.926627 | 1.034×1012 | 32770 | α, SF | DP |
326 | 239Pu | 94 | 145 | 7.868022 | 7.609×1011 | 24110 | α, SF | IM, DP |
327 | 94Nb | 41 | 53 | 8.990099 | 6.406×1011 | 20300 | β− | CG |
Radionuclides with half-lives of 10 years to 10,000 years
Ordered by half-life.
no | nuclide | Z | N | energy | half-life (seconds) | half-life (years) | decay mode | notes |
---|---|---|---|---|---|---|---|---|
328 | 250Cm | 96 | 154 | 7.779371 | 2.619×1011 | 8300 | SF, α, β− | |
329 | 245Cm |
96 | 149 | 7.822329 | 2.60×1011 | 8250 | α, SF | |
330 | 243Am | 95 | 148 | 7.836035 | 2.326×1011 | 7371 | α, SF | |
331 | 229Th | 90 | 139 | 7.942127 | 2.316×1011 | 7339 | α | DP |
332 | 240Pu | 94 | 146 | 7.862465 | 2.070×1011 | 6560 | α, SF | DP |
333 | 14C | 6 | 8 | 7.855620 | 1.799×1011 | 5700 | β− | CG, IM |
334 | 93Mo |
42 | 51 | 9.004693 | 1.53×1011 | 4839[27] | β+ | |
335 | 246Cm | 96 | 150 | 7.816781 | 1.502×1011 | 4760 | α, SF | |
336 | 163Ho | 67 | 96 | 8.478591 | 1.442×1011 | 4570 | β+ | |
337 | 226Ra | 88 | 138 | 7.966597 | 5.049×1010 | 1600 | α | DP |
338 | 247Bk | 97 | 150 | 7.806182 | 4.355×1010 | 1380 | α | |
339 | 166mHo | 67 | 99 | 8.451273 | 3.787×1010 | 1200 | β− | |
340 | 251Cf | 98 | 153 | 7.775969 | 2.834×1010 | 898 | α, SF | |
341 | 91Nb | 41 | 50 | 9.023327 | 2.146×1010 | 680 | β+ | |
342 | 194Hg | 80 | 114 | 8.237271 | 1.401×1010 | 444 | β+ | |
343 | 108mAg | 47 | 61 | 8.881439 | 1.382×1010 | 437.9 | β+, IT | |
344 | 241Am | 95 | 146 | 7.851676 | 1.364×1010 | 432.2 | α, SF | IM |
345 | 249Cf | 98 | 151 | 7.791305 | 1.108×1010 | 351.1 | α, SF | |
346 | 248Bk | 97 | 151 | 7.796811 | > 9.47×109 | >300 | α | |
347 | 39Ar | 18 | 21 | 8.923686 | 8.489×109 | 269 | β− | CG |
348 | 192mIr | 77 | 115 | 8.251875 | 7.605×109 | 241 | IT | |
349 | 158Tb | 65 | 93 | 8.511055 | 5.680×109 | 180 | β+, β− | |
350 | 242mAm | 95 | 147 | 7.841913 | 4.450×109 | 141 | IT, α, SF | |
351 | 32Si | 14 | 18 | 8.823856 | 4.166×109 | 132 | β− | CG |
352 | 209Po | 84 | 125 | 8.149633 | 3.951×109 | 125.2[28] | α, β+ | |
353 | 63Ni | 28 | 35 | 9.111210 | 3.159×109 | 101 | β− | IM |
354 | 151Sm | 62 | 89 | 8.565251 | 2.840×109 | 90.0 | β− | FP |
355 | 238Pu | 94 | 144 | 7.877358 | 2.768×109 | 87.7 | α, SF | IM, DP |
356 | 148Gd | 64 | 84 | 8.586706 | 2.74×109 | 86.9[29] | α | |
357 | 157Tb | 65 | 92 | 8.522096 | 2.241×109 | 71.0 | β+ | |
358 | 232U | 92 | 140 | 7.922143 | 2.174×109 | 68.9 | α, SF | |
359 | 44Ti | 22 | 22 | 8.924702 | 1.893×109 | 59.1 | β+ | |
360 | 193Pt | 78 | 115 | 8.249965 | 1.578×109 | 50.0 | β+ | |
361 | 121mSn | 50 | 71 | 8.808499 | 1.385×109 | 43.89 | IT, β− | |
362 | 150Eu | 63 | 87 | 8.569974 | 1.164×109 | 36.89 | β+ | |
363 | 42Ar | 18 | 24 | 8.890923 | 1.038×109 | 32.9 | β− | |
364 | 207Bi | 83 | 124 | 8.168209 | 1.038×109 | 31.6 | β+ | |
365 | 178m2Hf | 72 | 106 | 9.776×108 | 31 | IT | ||
366 | 137Cs | 55 | 82 | 8.703047 | 9.477×108 | 30.1 | β− | FP, IM |
367 | 243Cm | 96 | 147 | 7.836004 | 9.183×108 | 29.1 | α, β+, SF | |
368 | 90Sr | 38 | 52 | 9.026239 | 9.120×108 | 28.9 | β− | FP, IM |
369 | 210Pb | 82 | 128 | 8.141462 | 7.006×108 | 22.2 | β−, α | DP, IM |
370 | 227Ac | 89 | 138 | 7.957447 | 6.871×108 | 21.77 | β−, α | DP |
371 | 244Cm | 96 | 148 | 7.831763 | 5.712×108 | 18.1 | α, SF | |
372 | 145Pm | 61 | 84 | 8.631838 | 5.586×108 | 17.7 | β+, α | |
373 | 93mNb | 41 | 52 | 5.084×108 | 16.1 | IT | ||
374 | 241Pu | 94 | 147 | 7.851590 | 4.510×108 | 14.3 | β−, α, SF | |
375 | 113mCd | 48 | 65 | 4.380×108 | 13.9 | β−, IT | FP | |
376 | 152Eu | 63 | 89 | 8.550897 | 4.262×108 | 13.51 | β+, β− | |
377 | 250Cf | 98 | 152 | 7.786640 | 4.128×108 | 13.08 | α, SF | |
378 | 3H | 1 | 2 | 3.087994 | 3.888×108 | 12.32 | β− | CG, IM |
379 | 85Kr | 36 | 49 | 9.029919 | 3.384×108 | 10.72 | β− | FP, IM |
380 | 133Ba | 56 | 77 | 8.729624 | 3.319×108 | 10.52 | β+ |
Radionuclides with half-lives of 1 day to 10 years
Ordered by half-life.
no | nuclide | Z | N | energy | half-life (seconds) | half-life | decay mode | notes |
---|---|---|---|---|---|---|---|---|
381 | 154Eu | 63 | 91 | 8.537200 | 2.711×108 | 8.60 y | β−, β+ | |
382 | 194Os | 76 | 118 | 8.238508 | 1.893×108 | 6.0 y | β− | |
383 | 228Ra | 88 | 140 | 7.944390 | 1.815×108 | 5.75 y | β− | DP |
384 | 146Pm | 61 | 85 | 8.615574 | 1.745×108 | 5.53 y | β+, β− | |
385 | 60Co | 27 | 33 | 9.098811 | 1.663×108 | 5.27 y | β− | IM |
386 | 155Eu | 63 | 92 | 8.534711 | 1.500×108 | 4.75 y | β− | FP |
387 | 204Tl | 81 | 123 | 8.190671 | 1.193×108 | 3.78 y | β−, β+ | IM |
388 | 174Lu | 71 | 103 | 8.390726 | 1.045×108 | 3.31 y | β+ | |
389 | 101Rh | 45 | 56 | 8.936753 | 1.041×108 | 3.3 y | β+ | |
390 | 102mRh | 45 | 57 | 8.920680 | 9.152×107 | 2.9 y | β+, IT | |
391 | 208Po | 84 | 124 | 8.155315 | 9.145×107 | 2.898 y | α, β+ | |
392 | 236Pu | 94 | 142 | 7.889536 | 9.019×107 | 2.858 y | α, SF | |
393 | 125Sb | 51 | 74 | 8.777367 | 8.705×107 | 2.759 y | β− | FP |
394 | 55Fe | 26 | 29 | 9.116407 | 8.637×107 | 2.737 y | β+ | |
395 | 252Cf | 98 | 154 | 7.769605 | 8.347×107 | 2.645 y | α, SF | IM |
396 | 147Pm | 61 | 86 | 8.609068 | 8.279×107 | 2.624 y | β− | FP, DP |
397 | 22Na | 11 | 11 | 8.306891 | 8.213×107 | 2.603 y | β+ | CG |
398 | 134Cs | 55 | 79 | 8.719768 | 6.517×107 | 2.065 y | β−, β+ | FP |
399 | 171Tm | 69 | 102 | 8.417620 | 6.059×107 | 1.92 y | β− | |
400 | 228Th | 90 | 138 | 7.953906 | 6.033×107 | 1.912 y | α | DP |
401 | 172Hf | 72 | 100 | 8.399252 | 5.901×107 | 1.87 y | β+ | |
402 | 179Ta | 73 | 106 | 8.352703 | 5.743×107 | 1.82 y | β+ | |
403 | 173Lu | 71 | 102 | 8.400147 | 4.323×107 | 1.37 y | β+ | |
404 | 252Es | 99 | 153 | 7.764621 | 4.075×107 | 1.291 y | α, β+, β− | |
405 | 109Cd | 48 | 61 | 8.883327 | 3.986×107 | 1.263 y | β+ | |
406 | 235Np | 93 | 142 | 7.896669 | 3.422×107 | 1.084 y | β+, α | |
407 | 106Ru | 44 | 62 | 8.885686 | 3.228×107 | 1.023 y | β− | FP |
408 | 144Pm | 61 | 83 | 8.636751 | 3.136×107 | 363 d | β+ | |
409 | 145Sm | 62 | 83 | 8.627590 | 2.938×107 | 340 d | β+ | |
410 | 248Cf | 98 | 150 | 7.800198 | 2.881×107 | 333.4 d | α, SF | |
411 | 249Bk | 97 | 152 | 7.790805 | 2.851×107 | 330 d | β−, α, SF | |
412 | 49V | 23 | 26 | 9.050040 | 2.843×107 | 329.1 d | β+ | |
413 | 54Mn | 25 | 29 | 9.100131 | 2.697×107 | 312.2 d | β+, β− | IM |
414 | 119m1Sn | 50 | 69 | 2.534×107 | 293.1 d | IT | ||
415 | 144Ce | 58 | 86 | 8.629918 | 2.462×107 | 285 d | β− | FP |
416 | 254Es | 99 | 155 | 7.748524 | 2.382×107 | 275.7 d | α, β−, SF, β+ | |
417 | 57Co | 27 | 30 | 9.112454 | 2.348×107 | 271.8 d | β+ | IM |
418 | 68Ge | 32 | 36 | 9.056327 | 2.341×107 | 271 d | β+ | IM |
419 | 143Pm | 61 | 82 | 8.651509 | 2.290×107 | 265 d | β+ | |
420 | 110mAg | 47 | 63 | 8.865355 | 2.158×107 | 249.8 d | β−, IT | |
421 | 65Zn | 30 | 35 | 9.085352 | 2.105×107 | 243.6 d | β+ | IM |
422 | 153Gd | 64 | 89 | 8.547731 | 2.077×107 | 240.4 d | β+ | IM |
423 | 102Rh | 45 | 57 | 1.788×107 | 207 d | β+, β− | ||
424 | 195Au | 79 | 116 | 8.238353 | 1.608×107 | 186.1 d | β+ | |
425 | 194mIr | 77 | 117 | 8.238025 | 1.477×107 | 170.9 d | β− | |
426 | 184mRe | 75 | 109 | 8.310670 | 1.460×107 | 169 d | IT, β+ | |
427 | 242Cm | 96 | 146 | 7.844860 | 1.407×107 | 162.8 d | α, SF | |
428 | 45Ca | 20 | 25 | 8.978261 | 1.405×107 | 162.6 d | β− | |
429 | 177mLu | 71 | 106 | 8.361829 | 1.386×107 | 160.4 d | β−, IT | |
430 | 121mTe | 52 | 69 | 8.800749 | 1.331×107 | 154.1 d | IT, β+ | |
431 | 159Dy | 66 | 93 | 8.506378 | 1.248×107 | 144.4 d | β+ | |
432 | 174m1Lu | 71 | 103 | 1.227×107 | 142 d | IT, EC | ||
433 | 210Po | 84 | 126 | 8.147295 | 1.196×107 | 138.4 d | α | DP |
434 | 139Ce | 58 | 81 | 8.696881 | 1.189×107 | 137.6 d | β+ | |
435 | 123Sn | 50 | 73 | 8.785311 | 1.116×107 | 129.2 d | β− | |
436 | 170Tm | 69 | 101 | 8.423096 | 1.111×107 | 128.6 d | β−, β+ | |
437 | 151Gd | 64 | 87 | 8.562685 | 1.071×107 | 124 d | β+, α | |
438 | 181W | 74 | 107 | 8.337924 | 1.047×107 | 121.2 d | β+ | |
439 | 75Se | 34 | 41 | 9.033581 | 1.035×107 | 119.8 d | β+ | IM |
440 | 123mTe | 52 | 71 | 1.03×107 | 119.2 d | IT | ||
441 | 113Sn | 50 | 63 | 8.853035 | 9.944×106 | 115.1 d | β+ | |
442 | 182Ta | 73 | 109 | 8.326456 | 9.887×106 | 114.4 d | β− | |
443 | 127mTe | 52 | 75 | 8.765759 | 9.418×106 | 109 d | IT | |
444 | 88Y | 39 | 49 | 9.029272 | 9.212×106 | 106.6 d | β+ | |
445 | 257Fm | 100 | 157 | 7.726619 | 8.683×106 | 100.5 d | α, SF | |
446 | 185Os | 76 | 109 | 8.302730 | 8.087×106 | 93.6 d | β+ | |
447 | 168Tm | 69 | 99 | 8.436316 | 8.044×106 | 93.1 d | β+, β− | |
448 | 149Eu | 63 | 86 | 8.584395 | 8.044×106 | 93.1 d | β+ | |
449 | 97mTc | 43 | 54 | 7.862×106 | 91 d | IT | ||
450 | 35S | 16 | 19 | 8.895510 | 7.561×106 | 87.51 d | β− | CG |
451 | 83Rb | 37 | 46 | 9.024038 | 7.448×106 | 86.2 d | β+ | |
452 | 46Sc | 21 | 25 | 8.979091 | 7.239×106 | 83.78 d | β− | |
453 | 88Zr | 40 | 48 | 9.021589 | 7.206×106 | 83.4 d | β+ | |
454 | 73As | 33 | 40 | 9.043341 | 6.938×106 | 80.3 d | β+ | |
455 | 56Co | 27 | 29 | 9.072031 | 6.673×106 | 77.23 d | β+ | |
456 | 185W | 74 | 111 | 8.305866 | 6.489×106 | 75.1 d | β− | |
457 | 192Ir | 77 | 115 | 6.379×106 | 73.827 d | β−,ε | IM | |
458 | 160Tb | 65 | 95 | 8.495346 | 6.247×106 | 72.3 d | β− | |
459 | 58Co | 27 | 31 | 9.103153 | 6.122×106 | 70.86 d | β+ | |
460 | 183Re | 75 | 108 | 8.321661 | 6.048×106 | 70 d | β+ | |
461 | 175Hf | 72 | 103 | 8.382665 | 6.048×106 | 70 d | β+ | |
462 | 188W | 74 | 114 | 8.277003 | 6.029×106 | 69.78 d | β− | |
463 | 85Sr | 38 | 47 | 9.025480 | 5.602×106 | 64.84 d | β+ | |
464 | 95Zr | 40 | 55 | 8.972989 | 5.532×106 | 64.03 d | β− | FP |
465 | 95mTc | 43 | 52 | 8.976359 | 5.270×106 | 61 d | β+, IT | |
466 | 91mNb | 41 | 50 | 5.258×106 | 60.86 d | IT,ε | ||
467 | 254Cf | 98 | 156 | 7.751087 | 5.227×106 | 60.5 d | SF, α | |
468 | 124Sb | 51 | 73 | 8.777943 | 5.194×106 | 60.12 d | β− | |
469 | 125I | 53 | 72 | 8.782019 | 5.132×106 | 59.4 d | β+ | IM |
470 | 91Y | 39 | 52 | 9.020174 | 5.055×106 | 58.51 d | β− | FP |
471 | 125mTe | 52 | 73 | 4.959×106 | 57.4 d | IT | ||
472 | 148Eu | 63 | 85 | 8.586882 | 4.709×106 | 54.5 d | β+, α | |
473 | 7Be | 4 | 3 | 5.818470 | 4.598×106 | 53.22 d | β+ | CG |
474 | 258Md | 101 | 157 | 7.715948 | 4.450×106 | 51.5 d | α, SF | |
475 | 89Sr | 38 | 51 | 9.039969 | 4.369×106 | 50.57 d | β− | FP, IM |
476 | 114mIn | 49 | 65 | 8.846608 | 4.278×106 | 49.51 d | IT, β+ | |
477 | 146Gd | 64 | 82 | 8.592512 | 4.171×106 | 48.28 d | β+ | |
478 | 203Hg | 80 | 123 | 8.195806 | 4.026×106 | 46.6 d | β− | |
479 | 237Pu | 94 | 143 | 7.881060 | 3.905×106 | 45.2 d | β+, α | |
480 | 115mCd | 48 | 67 | 8.835754 | 3.850×106 | 44.56 d | β− | |
481 | 59Fe | 26 | 33 | 9.099516 | 3.844×106 | 44.49 d | β− | IM |
482 | 181Hf | 72 | 109 | 8.333272 | 3.662×106 | 42.38 d | β− | |
483 | 148mPm | 61 | 87 | 8.589800 | 3.567×106 | 41.28 d | β−, IT | |
484 | 105Ag | 47 | 58 | 8.900547 | 3.567×106 | 41.28 d | β+ | |
485 | 255Es | 99 | 156 | 7.741567 | 3.439×106 | 39.8 d | β−, α, SF | |
486 | 103Ru | 44 | 59 | 8.918500 | 3.392×106 | 39.26 d | β− | FP |
487 | 127Xe | 54 | 73 | 8.766768 | 3.145×106 | 36.4 d | β+ | |
488 | 184Re | 75 | 109 | 3.059×106 | 35.4 d | β+ | ||
489 | 95Nb | 41 | 54 | 8.984821 | 3.023×106 | 34.99 d | β− | FP |
490 | 37Ar | 18 | 19 | 8.907752 | 3.020×106 | 34.95 d | β+ | CG |
491 | 129mTe | 52 | 77 | 8.744953 | 2.903×106 | 33.6 d | IT, β− | |
492 | 84Rb | 37 | 47 | 9.020732 | 2.860×106 | 33.1 d | β+, β− | |
493 | 241Cm | 96 | 145 | 7.848492 | 2.834×106 | 32.8 d | β+, α | |
494 | 141Ce | 58 | 83 | 8.677286 | 2.809×106 | 32.51 d | β− | FP |
495 | 169Yb | 70 | 99 | 8.428546 | 2.767×106 | 32.03 d | β+ | IM |
496 | 260Md | 101 | 159 | 7.699789 | 2.748×106 | 31.81 d | SF, α, β+, β− | |
497 | 51Cr | 24 | 27 | 9.080127 | 2.393×106 | 27.7 d | β+ | IM |
498 | 240Cm | 96 | 144 | 7.855805 | 2.333×106 | 27 d | α, β+, SF | |
499 | 233Pa | 91 | 142 | 7.910426 | 2.331×106 | 26.98 d | β− | DP |
500 | 82Sr | 38 | 44 | 8.998254 | 2.208×106 | 25.56 d | β+ | IM |
501 | 33P | 15 | 18 | 8.869434 | 2.189×106 | 25.34 d | β− | |
502 | 179m2Hf | 72 | 107 | 2.164×106 | 25.05 d | IT | ||
503 | 234Th | 90 | 144 | 7.897763 | 2.082×106 | 24.1 d | β− | DP |
504 | 147Eu | 63 | 84 | 8.598879 | 2.082×106 | 24.1 d | β+, α | |
505 | 178W | 74 | 104 | 8.354563 | 1.866×106 | 21.6 d | β+ | |
506 | 230U | 92 | 138 | 7.933871 | 1.797×106 | 20.8 d | α, SF | |
507 | 253Es | 99 | 154 | 7.759019 | 1.769×106 | 20.5 d | α, SF | |
508 | 121Te | 52 | 69 | 1.656×106 | 19.2 d | ε | ||
509 | 227Th | 90 | 137 | 7.957644 | 1.614×106 | 18.7 d | α | DP |
510 | 86Rb | 37 | 49 | 9.033502 | 1.611×106 | 18.6 d | β−, β+ | |
511 | 253Cf | 98 | 155 | 7.757885 | 1.539×106 | 17.8 d | β−, α | |
512 | 74As | 33 | 41 | 9.028895 | 1.535×106 | 17.8 d | β+, β− | |
513 | 230Pa | 91 | 139 | 7.931436 | 1.503×106 | 17.4 d | β+, β−, α | |
514 | 103Pd | 46 | 57 | 8.920638 | 1.468×106 | 17.0 d | β+ | IM |
515 | 99Rh | 45 | 54 | 8.935711 | 1.391×106 | 16.1 d | β+ | |
516 | 48V | 23 | 25 | 8.997890 | 1.380×106 | 15.97 d | β+ | |
517 | 191Os | 76 | 115 | 8.261870 | 1.331×106 | 15.41 d | β− | |
518 | 205Bi | 83 | 122 | 8.174069 | 1.323×106 | 15.31 d | β+ | |
519 | 156Eu | 63 | 93 | 8.520642 | 1.312×106 | 15.19 d | β− | |
520 | 225Ra | 88 | 137 | 7.973576 | 1.287×106 | 14.9 d | β− | DP |
521 | 32P | 15 | 17 | 8.830865 | 1.232×106 | 14.268 d | β− | CG, IM |
522 | 117mSn | 50 | 67 | 1.21×106 | 14 d | IT | ||
523 | 143Pr | 59 | 84 | 8.652258 | 1.172×106 | 13.56 d | β− | |
524 | 189Ir | 77 | 112 | 8.274783 | 1.140×106 | 13.19 d | β+ | |
525 | 136Cs | 55 | 81 | 8.706171 | 1.127×106 | 13.04 d | β− | |
526 | 126I | 53 | 73 | 8.769026 | 1.117×106 | 12.93 d | β+, β− | |
527 | 140Ba | 56 | 84 | 8.666120 | 1.102×106 | 12.75 d | β− | FP |
528 | 126Sb | 51 | 75 | 8.757042 | 1.067×106 | 12.35 d | β− | |
529 | 202Tl | 81 | 121 | 8.199956 | 1.057×106 | 12.23 d | β+ | |
530 | 131mXe | 54 | 77 | 1.023×106 | 11.84 d | IT | ||
531 | 190Ir | 77 | 113 | 8.264755 | 1.018×106 | 11.78 d | β+ | |
532 | 131Ba | 56 | 75 | 8.733037 | 9.936×105 | 11.5 d | β+ | |
533 | 223Ra | 88 | 135 | 7.994042 | 9.876×105 | 11.43 d | α | DP, IM |
534 | 71Ge | 32 | 39 | 9.055943 | 9.876×105 | 11.43 d | β+ | |
535 | 147Nd | 60 | 87 | 8.602973 | 9.487×105 | 10.98 d | β− | |
536 | 246Pu | 94 | 152 | 7.805494 | 9.366×105 | 10.84 d | β− | |
537 | 193mIr | 77 | 116 | 9.098×105 | 10.53 d | IT | ||
538 | 188Pt | 78 | 110 | 8.272514 | 8.813×105 | 10.2 d | β+, α | |
539 | 92mNb | 41 | 51 | 8.770×105 | 10.15 d | β+, α | ||
540 | 225Ac | 89 | 136 | 7.975159 | 8.571×105 | 9.92 d | α | DP |
541 | 131Cs | 55 | 76 | 8.743541 | 8.371×105 | 9.69 d | β+ | IM |
542 | 125Sn | 50 | 75 | 8.758515 | 8.329×105 | 9.64 d | β− | |
543 | 169Er | 68 | 101 | 8.431852 | 8.115×105 | 9.39 d | β− | IM |
544 | 149Gd | 64 | 85 | 8.575576 | 8.018×105 | 9.28 d | β+, α | |
545 | 167Tm | 69 | 98 | 8.445866 | 7.992×105 | 9.25 d | β+ | |
546 | 129mXe | 54 | 75 | 7.672×105 | 8.88 d | IT | ||
547 | 206Po | 84 | 122 | 8.159590 | 7.603×105 | 8.80 d | β+, α | |
548 | 72Se | 34 | 38 | 9.014300 | 7.258×105 | 8.40 d | β+ | |
549 | 106mAg | 47 | 59 | 8.890639 | 7.154×105 | 8.28 d | β+ | |
550 | 171Lu | 71 | 100 | 8.409532 | 7.119×105 | 8.24 d | β+ | |
551 | 131I | 53 | 78 | 8.738842 | 6.930×105 | 8.02 d | β− | FP, IM |
552 | 257Es | 99 | 158 | 7.723468 | 6.653×105 | 7.7 d | β−, SF | |
553 | 111Ag | 47 | 64 | 8.866111 | 6.437×105 | 7.45 d | β− | |
554 | 161Tb | 65 | 96 | 8.490383 | 5.967×105 | 6.91 d | β− | |
555 | 237U | 92 | 145 | 7.879800 | 5.832×105 | 6.75 d | β− | DP |
556 | 172Lu | 71 | 101 | 8.401217 | 5.789×105 | 6.70 d | β+ | IM |
557 | 177Lu | 71 | 106 | 5.743×105 | 6.65 d | β− | ||
558 | 132Cs | 55 | 77 | 8.731599 | 5.599×105 | 6.48 d | β+, β− | |
559 | 206Bi | 83 | 123 | 8.168551 | 5.394×105 | 6.24 d | β+ | |
560 | 196Au | 79 | 117 | 8.230205 | 5.328×105 | 5.17 d | β+, β− | |
561 | 56Ni | 28 | 28 | 9.033899 | 5.249×105 | 6.08 d | β+ | |
562 | 118Te | 52 | 66 | 8.814726 | 5.184×105 | 6 d | β+ | |
563 | 145Eu | 63 | 82 | 8.609245 | 5.124×105 | 5.93 d | β+ | |
564 | 120mSb | 51 | 69 | 8.808194 | 4.977×105 | 5.76 d | β+ | |
565 | 52Mn | 25 | 27 | 9.046431 | 4.831×105 | 5.59 d | β+ | |
566 | 148Pm | 61 | 87 | 4.638×105 | 5.37 d | β− | ||
567 | 156Tb | 65 | 91 | 8.520667 | 4.622×105 | 5.35 d | β+ | |
568 | 155Tb | 65 | 90 | 8.531031 | 4.596×105 | 5.32 d | β+ | |
569 | 133Xe | 54 | 79 | 8.730302 | 4.530×105 | 5.24 d | β− | IM |
570 | 183Ta | 73 | 110 | 8.318847 | 4.406×105 | 5.10 d | β− | |
571 | 210Bi | 83 | 127 | 4.330×105 | 5.01 d | β−, α | DP | |
572 | 245Bk | 97 | 148 | 7.819020 | 4.268×105 | 4.94 d | β+, α | |
573 | 119mTe | 52 | 67 | 8.801773 | 4.061×105 | 4.7 d | β+, IT | |
574 | 146Eu | 63 | 83 | 8.599560 | 3.983×105 | 4.61 d | β+ | |
575 | 47Ca | 20 | 27 | 8.972181 | 3.919×105 | 4.54 d | β− | |
576 | 234Np | 93 | 141 | 7.900571 | 3.802×105 | 4.4 d | β+ | |
577 | 101mRh | 45 | 56 | 3.74×105 | 4.34 d | ε, IT | ||
578 | 193mPt | 78 | 115 | 3.74×105 | 4.33 d | IT | ||
579 | 96Tc | 43 | 53 | 8.965255 | 3.698×105 | 4.28 d | β+ | |
580 | 231U | 92 | 139 | 7.924977 | 3.629×105 | 4.2 d | β+, α | |
581 | 175Yb | 70 | 105 | 8.383902 | 3.616×105 | 4.19 d | β− | |
582 | 124I | 53 | 71 | 8.775884 | 3.608×105 | 4.18 d | β+ | IM |
583 | 195mPt | 78 | 117 | 3.46×105 | 4.01 d | IT | ||
584 | 127Sb | 51 | 76 | 8.754005 | 3.326×105 | 3.85 d | β− | |
585 | 222Rn | 86 | 136 | 7.997573 | 3.304×105 | 3.82 d | α | DP |
586 | 186Re | 75 | 111 | 3.21×105 | 3.72 d | β−,e | IM | |
587 | 224Ra | 88 | 136 | 7.987277 | 3.138×105 | 3.63 d | α | DP |
588 | 100Pd | 46 | 54 | 8.923587 | 3.136×105 | 3.63 d | β+ | |
589 | 95mNb | 41 | 54 | 3.11×105 | 3.61 d | IT, β− | ||
590 | 166Dy | 66 | 100 | 8.448376 | 2.938×105 | 3.4 d | β− | |
591 | 140Nd | 60 | 80 | 8.673113 | 2.912×105 | 3.37 d | β+ | |
592 | 47Sc | 21 | 26 | 9.014564 | 2.894×105 | 3.35 d | β− | |
593 | 87Y | 39 | 48 | 9.025565 | 2.873×105 | 3.33 d | β+ | |
594 | 89Zr | 40 | 49 | 9.024912 | 2.823×105 | 3.27 d | β+ | |
595 | 67Ga | 31 | 36 | 9.069532 | 2.819×105 | 3.26 d | β+ | IM |
596 | 132Te | 52 | 80 | 8.716646 | 2.768×105 | 3.2 d | β− | FP |
597 | 134Ce | 58 | 76 | 8.704432 | 2.730×105 | 3.16 d | β+ | |
598 | 199Au | 79 | 120 | 8.217534 | 2.712×105 | 3.14 d | β− | |
599 | 201Tl | 81 | 120 | 8.206561 | 2.625×105 | 3.04 d | β+ | IM |
600 | 253Fm | 100 | 153 | 7.757691 | 2.592×105 | 3. d | β+, α | |
601 | 191Pt | 78 | 113 | 8.258228 | 2.473×105 | 2.86 d | β+ | |
602 | 111In | 49 | 62 | 8.867688 | 2.423×105 | 2.8 d | β+ | IM |
603 | 97Ru | 44 | 53 | 8.959080 | 2.411×105 | 2.79 d | β+ | |
604 | 99Mo | 42 | 57 | 8.939669 | 2.375×105 | 2.75 d | β− | FP, IM |
605 | 122Sb | 51 | 71 | 8.795346 | 2.353×105 | 2.72 d | β−, β+ | |
606 | 71As | 33 | 38 | 9.027581 | 2.350×105 | 2.72 d | β+ | |
607 | 198Au | 79 | 119 | 8.220732 | 2.329×105 | 2.7 d | β− | IM |
608 | 197Hg | 80 | 117 | 8.226358 | 2.309×105 | 2.67 d | β+ | |
609 | 90Y | 39 | 51 | 9.032294 | 2.306×105 | 2.67 d | β− | IM |
610 | 182Re | 75 | 107 | 8.321053 | 2.304×105 | 2.67 d | β+ | |
611 | 172Tm | 69 | 103 | 8.404932 | 2.290×105 | 2.65 d | β− | |
612 | 67Cu | 29 | 38 | 9.076086 | 2.226×105 | 2.58 d | β− | IM |
613 | 44mSc | 21 | 23 | 8.924627 | 2.110×105 | 2.44 d | IT, β+ | |
614 | 128Ba | 56 | 72 | 8.738523 | 2.100×105 | 2.43 d | β+ | |
615 | 77Br | 35 | 42 | 9.022431 | 2.053×105 | 2.38 d | β+ | |
616 | 166Yb | 70 | 96 | 8.442340 | 2.041×105 | 2.36 d | β+ | |
617 | 177Ta | 73 | 104 | 8.363553 | 2.036×105 | 2.36 d | β+ | |
618 | 239Np | 93 | 146 | 7.864999 | 2.036×105 | 2.36 d | β− | DP |
619 | 153Tb | 65 | 88 | 8.537471 | 2.022×105 | 2.34 d | β+ | |
620 | 66Ni | 28 | 38 | 9.071423 | 1.966×105 | 2.28 d | β− | |
621 | 247Pu | 94 | 153 | 7.791975 | 1.961×105 | 2.27 d | β− | |
622 | 198m2Au | 79 | 119 | 1.96×105 | 2.27 d | IT | ||
623 | 115Cd | 48 | 67 | 1.92×105 | 2.23 d | β− | ||
624 | 149Pm | 61 | 88 | 8.581871 | 1.911×105 | 2.21 d | β− | |
625 | 133mXe | 54 | 79 | 1.89×105 | 2.20 d | IT | ||
626 | 203Pb | 82 | 121 | 8.193431 | 1.869×105 | 2.16 d | β+ | |
627 | 238Np | 93 | 145 | 7.871931 | 1.829×105 | 2.12 d | β− | |
628 | 240Am | 95 | 145 | 7.856694 | 1.829×105 | 2.12 d | β+, α | |
629 | 172Er | 68 | 104 | 8.399752 | 1.775×105 | 2.05 d | β− | |
630 | 170Lu | 71 | 99 | 8.408445 | 1.738×105 | 2.01 d | β+ | |
631 | 72Zn | 30 | 42 | 9.017591 | 1.674×105 | 1.94 d | β− | |
632 | 153Sm | 62 | 91 | 8.545614 | 1.666×105 | 1.93 d | β− | IM |
633 | 202Pt | 78 | 124 | 8.183209 | 1.584×105 | 1.83 d | β− | |
634 | 48Sc | 21 | 27 | 8.998327 | 1.572×105 | 1.82 d | β− | |
635 | 246Bk | 97 | 149 | 7.811287 | 1.555×105 | 1.8 d | β+, α | |
636 | 195mHg | 80 | 115 | 8.229399 | 1.498×105 | 1.73 d | IT, β+ | |
637 | 188Ir | 77 | 111 | 8.275200 | 1.494×105 | 1.73 d | β+ | |
638 | 140La | 57 | 83 | 8.673620 | 1.450×105 | 1.68 d | β− | |
639 | 254mEs | 99 | 155 | 1.41×105 | 1.64 d | β−, IT, α, EC, SF | ||
640 | 69Ge | 32 | 37 | 9.043800 | 1.406×105 | 1.63 d | β+ | |
641 | 133mBa | 56 | 77 | 1.4×105 | 1.62 d | IT,e | ||
642 | 77As | 33 | 44 | 9.031283 | 1.398×105 | 1.62 d | β− | |
643 | 119Sb | 51 | 68 | 8.823235 | 1.375×105 | 1.59 d | β+ | |
644 | 147Gd | 64 | 83 | 8.584001 | 1.370×105 | 1.59 d | β+ | |
645 | 194Au | 79 | 115 | 8.237626 | 1.369×105 | 1.58 d | β+ | |
646 | 229Pa | 91 | 138 | 7.940769 | 1.296×105 | 1.5 d | β+, α | |
647 | 246Cf | 98 | 148 | 7.810792 | 1.285×105 | 1.49 d | α, β+, SF | |
648 | 57Ni | 28 | 29 | 9.055222 | 1.282×105 | 1.48 d | β+ | |
649 | 105Rh | 45 | 60 | 8.907956 | 1.273×105 | 1.47 d | β− | FP |
650 | 82Br | 35 | 47 | 9.016407 | 1.270×105 | 1.47 d | β− | |
651 | 79Kr | 36 | 43 | 9.013644 | 1.261×105 | 1.46 d | β+ | |
652 | 137mCe | 58 | 79 | 8.696327 | 1.238×105 | 1.43 d | IT, β+ | |
653 | 169Lu | 71 | 98 | 8.414978 | 1.226×105 | 1.42 d | β+ | |
654 | 143Ce | 58 | 85 | 8.642041 | 1.189×105 | 1.38 d | β− | |
655 | 251Es | 99 | 152 | 7.774467 | 1.188×105 | 1.38 d | β+, α | |
656 | 83Sr | 38 | 45 | 8.996568 | 1.167×105 | 1.35 d | β+ | |
657 | 129Cs | 55 | 74 | 8.749622 | 1.154×105 | 1.34 d | β+ | |
658 | 268Db | 105 | 163 | 7.635133 | 1.152×105 | 1.33 d | SF, EC, α[30] | |
659 | 232Pa | 91 | 141 | 7.916379 | 1.132×105 | 1.31 d | β−, β+ | |
660 | 193Os | 76 | 117 | 8.244348 | 1.084×105 | 1.25 d | β− | |
661 | 165Tm | 69 | 96 | 8.452758 | 1.082×105 | 1.25 d | β+ | |
662 | 131mTe | 52 | 79 | 8.720392 | 1.080×105 | 1.25 d | β−, IT | |
663 | 226Ac | 89 | 137 | 7.963761 | 1.057×105 | 1.22 d | β−, β+, α | |
664 | 160Er | 68 | 92 | 8.484190 | 1.029×105 | 1.19 d | β+ | |
665 | 151Pm | 61 | 90 | 8.557387 | 1.022×105 | 1.18 d | β− | |
666 | 135mBa | 56 | 79 | 1.01×105 | 1.17 d | IT | ||
667 | 121Sn | 50 | 71 | 9.73×104 | 1.13 d | β− | ||
668 | 166Ho | 67 | 99 | 9.65×104 | 1.12 d | β− | IM | |
669 | 76As | 33 | 43 | 9.022505 | 9.454×104 | 1.09 d | β− | |
670 | 200Tl | 81 | 119 | 8.206567 | 9.396×104 | 1.09 d | β+ | |
671 | 72As | 33 | 39 | 9.018966 | 9.360×104 | 1.08 d | β+ | |
672 | 231Th | 90 | 141 | 7.924932 | 9.187×104 | 1.06 d | β−, α | DP |
673 | 252Fm | 100 | 152 | 7.766498 | 9.140×104 | 1.06 d | α, SF | |
674 | 156mTb | 65 | 91 | 8.78×104 | 1.02 d | IT | ||
675 | 189Re | 75 | 114 | 8.272269 | 8.748×104 | 1.01 d | β− |
Radionuclides with half-lives of 1 hour to 1 day
Ordered by half-life.
no | nuclide | Z | N | energy | half-life (seconds) | half-life (hours) | decay mode | notes |
---|---|---|---|---|---|---|---|---|
676 | 197mHg | 80 | 117 | 8.568×104 | 23.8 | IT | ||
677 | 187W | 74 | 113 | 8.284722 | 8.539×104 | 23.7 | β− | |
678 | 248mBk | 97 | 151 | 8.532×104 | 23.7 | β−, EC (30) | ||
679 | 173Hf | 72 | 101 | 8.391617 | 8.496×104 | 23.6 | β+ | |
680 | 96Nb | 41 | 55 | 8.963036 | 8.406×104 | 23.4 | β− | |
681 | 154m2Tb | 65 | 89 | 8.526912 | 8.172×104 | 22.7 | β+, IT (1.8) | |
682 | 236mNp | 93 | 143 | 8.1×104 | 22.5 | EC, β− (50) | ||
683 | 43K | 19 | 24 | 8.922327 | 8.028×104 | 22.3 | β− | |
684 | 182Os | 76 | 106 | 8.316432 | 7.956×104 | 22.1 | β+ | |
685 | 228Pa | 91 | 137 | 7.944468 | 7.920×104 | 22.0 | β+, α (2) | |
686 | 48Cr | 24 | 24 | 8.963390 | 7.762×104 | 21.6 | β+ | |
687 | 154Tb | 65 | 89 | 7.74×104 | 21.5 | β+, β− (<0.1) | ||
688 | 200Pb | 82 | 118 | 8.202542 | 7.740×104 | 21.5 | β+ | |
689 | 112Pd | 46 | 66 | 8.842185 | 7.571×104 | 21.0 | β− | |
690 | 28Mg | 12 | 16 | 8.607706 | 7.529×104 | 20.9 | β− | CG |
691 | 100Rh | 45 | 55 | 8.927167 | 7.488×104 | 20.8 | β+ | |
692 | 133I | 53 | 80 | 8.717094 | 7.488×104 | 20.8 | β− | |
693 | 122Xe | 54 | 68 | 8.770959 | 7.236×104 | 20.1 | β+ | |
694 | 255Fm | 100 | 155 | 7.742704 | 7.225×104 | 20.1 | α, SF (tr) | |
695 | 95Tc | 43 | 52 | 7.2×104 | 20.0 | β+ | ||
696 | 181Re | 75 | 106 | 8.328294 | 7.164×104 | 19.9 | β+ | |
697 | 197Pt | 78 | 119 | 8.225756 | 7.161×104 | 19.9 | β− | |
698 | 135La | 57 | 78 | 8.713179 | 7.020×104 | 19.5 | β+ | |
699 | 194Ir | 77 | 117 | 6.941×104 | 19.3 | β− | ||
700 | 142Pr | 59 | 83 | 8.661417 | 6.883×104 | 19.1 | β−,EC (tr) | |
701 | 200mAu | 79 | 121 | 8.202877 | 6.732×104 | 18.7 | β−, IT (18) | |
702 | 159Gd | 64 | 95 | 8.502576 | 6.652×104 | 18.5 | β− | |
703 | 135Ce | 58 | 77 | 8.698179 | 6.372×104 | 17.7 | β+ | |
704 | 193Au | 79 | 114 | 8.244353 | 6.354×104 | 17.7 | β+ | |
705 | 151Tb | 65 | 86 | 8.545692 | 6.339×104 | 17.6 | β+, α (tr) | |
706 | 55Co | 27 | 28 | 9.053647 | 6.311×104 | 17.5 | β+ | |
707 | 152Tb | 65 | 87 | 8.536591 | 6.300×104 | 17.5 | β+, α (tr) | |
708 | 188Re | 75 | 113 | 8.278860 | 6.121×104 | 17.0 | β− | IM |
709 | 125Xe | 54 | 71 | 8.768864 | 6.084×104 | 16.9 | β+ | |
710 | 97Zr | 40 | 57 | 8.926451 | 6.028×104 | 16.7 | β− | |
711 | 186Ir | 77 | 109 | 8.281935 | 5.990×104 | 16.6 | β+ | |
712 | 86Zr | 40 | 46 | 8.975979 | 5.940×104 | 16.5 | β+ | |
713 | 76Br | 35 | 41 | 8.996183 | 5.832×104 | 16.2 | β+ | |
714 | 119Te | 52 | 67 | 5.778×104 | 16.1 | EC, e+ (2.1) | ||
715 | 242Am | 95 | 147 | 5.767×104 | 16.0 | β−, EC (17) | ||
716 | 170Hf | 72 | 98 | 8.402210 | 5.764×104 | 16.0 | β+ | |
717 | 157Eu | 63 | 94 | 8.513792 | 5.465×104 | 15.2 | β− | |
718 | 24Na | 11 | 13 | 8.422082 | 5.382×104 | 15.0 | β− | CG, IM |
719 | 76Kr | 36 | 40 | 8.979406 | 5.328×104 | 14.8 | β+ | |
720 | 86Y | 39 | 47 | 8.993234 | 5.306×104 | 14.7 | β+ | |
721 | 211Rn | 86 | 125 | 8.112825 | 5.256×104 | 14.6 | β+, α (27) | |
722 | 90Nb | 41 | 49 | 8.989727 | 5.256×104 | 14.6 | β+ | |
723 | 185Ir | 77 | 108 | 8.289382 | 5.184×104 | 14.4 | β+ | |
724 | 240U | 92 | 148 | 7.851682 | 5.076×104 | 14.1 | β− | DP |
725 | 72Ga | 31 | 41 | 9.023958 | 5.074×104 | 14.1 | β− | |
726 | 69mZn | 30 | 39 | 9.056536 | 4.954×104 | 13.8 | IT, β− (tr) | |
727 | 109Pd | 46 | 63 | 8.875061 | 4.932×104 | 13.7 | β− | |
728 | 87mY | 39 | 48 | 4.813×104 | 13.4 | IT, β+ (1.6) | ||
729 | 123I | 53 | 70 | 8.786311 | 4.760×104 | 13.2 | β+ | IM |
730 | 191mOs | 76 | 115 | 4.716×104 | 13.1 | IT | ||
731 | 183Os | 76 | 107 | 8.309907 | 4.680×104 | 13.0 | β+ | |
732 | 150mEu | 63 | 87 | 4.608×104 | 12.8 | β−, β+(11) | ||
733 | 64Cu | 29 | 35 | 9.093581 | 4.572×104 | 12.7 | β+, β− (38) | IM |
734 | 182mRe | 75 | 107 | 4.572×104 | 12.7 | β+ | ||
735 | 200Pt | 78 | 122 | 8.204342 | 4.500×104 | 12.5 | β− | |
736 | 130I | 53 | 77 | 8.740035 | 4.450×104 | 12.4 | β− | |
737 | 42K | 19 | 23 | 8.905175 | 4.436×104 | 12.3 | β− | IM |
738 | 171Hf | 72 | 99 | 8.395480 | 4.356×104 | 12.1 | β+ | |
739 | 239Am | 95 | 144 | 7.864666 | 4.284×104 | 11.9 | β+, α (0.01) | |
740 | 193mHg | 80 | 113 | 8.231483 | 4.248×104 | 11.8 | β+, IT (7.2) | |
741 | 203Bi | 83 | 120 | 8.177436 | 4.234×104 | 11.8 | β+ | |
742 | 77Ge | 32 | 45 | 8.996185 | 4.068×104 | 11.3 | β− | |
743 | 204Bi | 83 | 121 | 8.172651 | 4.039×104 | 11.2 | β+ | |
744 | 189Pt | 78 | 111 | 8.264359 | 3.913×104 | 10.9 | β+ | |
745 | 212Pb | 82 | 130 | 8.106928 | 3.830×104 | 10.6 | β− | DP, IM |
746 | 195Hg | 80 | 115 | 3.791×104 | 10.5 | β+ | ||
747 | 175Ta | 73 | 102 | 8.370813 | 3.780×104 | 10.5 | β+ | |
748 | 245Pu | 94 | 151 | 7.813752 | 3.780×104 | 10.5 | β− | |
749 | 187Ir | 77 | 110 | 8.283713 | 3.780×104 | 10.5 | β+ | |
750 | 165Er | 68 | 97 | 8.462406 | 3.730×104 | 10.4 | β+ | |
751 | 93Y | 39 | 54 | 8.976951 | 3.665×104 | 10.2 | β− | |
752 | 244Am | 95 | 149 | 7.825914 | 3.636×104 | 10.1 | β− | |
753 | 266Lr | 103 | 163 | 3.600×104 | 10.0 | SF | ||
754 | 154m1Tb | 65 | 89 | 3.598×104 | 9.99 | β+, IT(22) | ||
755 | 183mOs | 76 | 107 | 3.564×104 | 9.90 | β+, IT(15) | ||
756 | 155Dy | 66 | 89 | 8.517521 | 3.564×104 | 9.90 | β+ | |
757 | 91Sr | 38 | 53 | 8.990503 | 3.467×104 | 9.63 | β− | |
758 | 196m2Au | 79 | 117 | 3.456×104 | 9.60 | IT | ||
759 | 66Ga | 31 | 35 | 9.036843 | 3.416×104 | 9.49 | β+ | |
760 | 156Sm | 62 | 94 | 8.516007 | 3.384×104 | 9.40 | β− | |
761 | 127Te | 52 | 75 | 3.366×104 | 9.35 | β− | ||
762 | 201Pb | 82 | 119 | 8.196989 | 3.359×104 | 9.33 | β+ | |
763 | 152mEu | 63 | 89 | 3.352×104 | 9.31 | β−, β+(28) | ||
764 | 62Zn | 30 | 32 | 9.057957 | 3.307×104 | 9.19 | β+ | |
765 | 135Xe | 54 | 81 | 8.711453 | 3.290×104 | 9.14 | β− | |
766 | 58mCo | 27 | 31 | 3.276×104 | 9.10 | IT | ||
767 | 128Sb | 51 | 77 | 8.732343 | 3.244×104 | 9.01 | β− | |
768 | 137Ce | 58 | 79 | 3.24×104 | 9.00 | β+ | ||
769 | 234Pu | 94 | 140 | 7.898892 | 3.168×104 | 8.80 | β+, α (~6) | |
770 | 184Ta | 73 | 111 | 8.304154 | 3.132×104 | 8.70 | β− | |
771 | 250Es | 99 | 151 | 7.778407 | 3.096×104 | 8.60 | β+, α (<3) | |
772 | 101Pd | 46 | 55 | 8.917149 | 3.049×104 | 8.47 | β+ | |
773 | 52Fe | 26 | 26 | 9.000789 | 2.979×104 | 8.28 | β+ | |
774 | 173Tm | 69 | 104 | 8.396524 | 2.966×104 | 8.24 | β− | |
775 | 180Ta | 73 | 107 | 2.935×104 | 8.15 | EC, β− (14) | ||
776 | 157Dy | 66 | 91 | 8.513544 | 2.930×104 | 8.14 | β+ | |
777 | 210At | 85 | 125 | 8.128337 | 2.916×104 | 8.10 | β+, α (0.2) | |
778 | 176Ta | 73 | 103 | 8.363202 | 2.912×104 | 8.09 | β+ | |
779 | 166Tm | 69 | 97 | 8.444183 | 2.772×104 | 7.70 | β+ | |
780 | 256mEs | 99 | 157 | 7.730742 | 2.736×104 | 7.60 | β− | |
781 | 171Er | 68 | 103 | 8.408901 | 2.706×104 | 7.52 | β− | |
782 | 199Tl | 81 | 118 | 8.212333 | 2.671×104 | 7.42 | β+ | |
783 | 211At | 85 | 126 | 8.126527 | 2.597×104 | 7.21 | β+, α (42) | |
784 | 73Se | 34 | 39 | 9.005821 | 2.574×104 | 7.15 | β+ | |
785 | 93mMo | 42 | 51 | 2.466×104 | 6.85 | IT, β+ (0.1) | ||
786 | 234Pa | 91 | 143 | 7.898930 | 2.412×104 | 6.70 | β− | DP |
787 | 135I |
53 | 82 | 8.691994 | 2.365×104 | 6.57 | β− | |
788 | 107Cd | 48 | 59 | 8.884271 | 2.340×104 | 6.50 | β+ | |
789 | 82mRb | 37 | 45 | 8.999608 | 2.330×104 | 6.47 | β+, IT (<0.3) | |
790 | 153Dy | 66 | 87 | 8.523288 | 2.304×104 | 6.40 | β+, α (tr) | |
791 | 127Cs | 55 | 72 | 8.750383 | 2.250×104 | 6.25 | β+ | |
792 | 228Ac | 89 | 139 | 7.944591 | 2.214×104 | 6.15 | β− | DP |
793 | 99mTc | 43 | 56 | 2.162×104 | 6.01 | IT, β− (tr) | IM | |
794 | 145Pr | 59 | 86 | 8.620514 | 2.154×104 | 5.98 | β− | |
795 | 189mOs | 76 | 113 | 2.092×104 | 5.81 | IT | ||
796 | 207Po | 84 | 123 | 8.154158 | 2.088×104 | 5.80 | β+, α (0.02) | |
797 | 90Mo | 42 | 48 | 8.962072 | 2.002×104 | 5.56 | β+ | |
798 | 257Md | 101 | 156 | 7.725040 | 1.987×104 | 5.52 | EC, α (15), SF (tr) | |
799 | 111mPd | 46 | 65 | 8.844589 | 1.980×104 | 5.50 | IT, β− (27) | |
800 | 139mNd | 60 | 79 | 8.659529 | 1.980×104 | 5.50 | β+, IT (12) | |
801 | 180mHf | 72 | 108 | 1.969×104 | 5.47 | IT, β− (0.3) | ||
802 | 209At | 85 | 124 | 8.132954 | 1.948×104 | 5.41 | β+, α (4.1) | |
803 | 113Ag | 47 | 66 | 8.841531 | 1.933×104 | 5.37 | β− | |
804 | 156m2Tb | 65 | 91 | 1.908×104 | 5.30 | IT (?), β+ (?) | ||
805 | 198Tl | 81 | 117 | 8.210166 | 1.908×104 | 5.30 | β+ | |
806 | 251Fm | 100 | 151 | 7.768590 | 1.908×104 | 5.30 | β+, α (1.8) | |
807 | 138Nd | 60 | 78 | 8.665661 | 1.814×104 | 5.04 | β+ | |
808 | 160mHo | 67 | 93 | 8.485877 | 1.807×104 | 5.02 | IT, β+ (27) | |
809 | 118mSb | 51 | 67 | 8.814963 | 1.800×104 | 5.00 | β+ | |
810 | 243Pu | 94 | 149 | 7.833648 | 1.784×104 | 4.96 | β− | |
811 | 192Au | 79 | 113 | 8.242036 | 1.778×104 | 4.94 | β+ | |
812 | 110In | 49 | 61 | 8.857464 | 1.764×104 | 4.90 | β+ | |
813 | 133mCe | 58 | 75 | 8.690771 | 1.764×104 | 4.90 | β+ | |
814 | 94Tc | 43 | 51 | 8.966583 | 1.758×104 | 4.88 | β+ | |
815 | 85mY | 39 | 46 | 8.986880 | 1.750×104 | 4.86 | β+, IT (tr) | |
816 | 73Ga | 31 | 42 | 9.026112 | 1.750×104 | 4.86 | β− | |
817 | 192Hg | 80 | 112 | 8.238051 | 1.746×104 | 4.85 | β+ | |
818 | 132La | 57 | 75 | 8.705721 | 1.728×104 | 4.80 | β+ | |
819 | 99mRh | 45 | 54 | 1.692×104 | 4.70 | β+, IT (<0.16) | ||
820 | 267Db | 105 | 162 | 7.644361 | 1.656×104 | 4.60 | SF | |
821 | 179Lu | 71 | 108 | 8.345428 | 1.652×104 | 4.59 | β− | |
822 | 81Rb | 37 | 44 | 9.002871 | 1.645×104 | 4.57 | β+ | IM |
823 | 243Bk | 97 | 146 | 7.829801 | 1.620×104 | 4.50 | β+, α (~0.15) | |
824 | 115mIn | 49 | 66 | 1.615×104 | 4.49 | IT, β− (5.0) | ||
825 | 85mKr | 36 | 49 | 1.613×104 | 4.48 | β−, IT (21) | ||
826 | 105Ru | 44 | 61 | 8.889689 | 1.598×104 | 4.44 | β− | |
827 | 80mBr | 35 | 45 | 9.018872 | 1.591×104 | 4.42 | IT | |
828 | 139Pr | 59 | 80 | 8.681565 | 1.588×104 | 4.41 | β+ | |
829 | 129Sb | 51 | 78 | 8.727358 | 1.584×104 | 4.40 | β− | |
830 | 244Bk | 97 | 147 | 7.822491 | 1.566×104 | 4.35 | β+, α (tr) | |
831 | 109In | 49 | 60 | 8.864805 | 1.512×104 | 4.20 | β+ | |
832 | 184Hf | 72 | 112 | 8.296871 | 1.483×104 | 4.12 | β− | |
833 | 149Tb | 65 | 84 | 8.551166 | 1.482×104 | 4.12 | β+, α (17) | |
834 | 110Sn | 50 | 60 | 8.851727 | 1.480×104 | 4.11 | β+ | |
835 | 44Sc | 21 | 23 | 1.429×104 | 3.97 | β+ | ||
836 | 71mZn | 30 | 41 | 9.017370 | 1.426×104 | 3.96 | β−, IT (tr) | |
837 | 141La | 57 | 84 | 8.659540 | 1.411×104 | 3.92 | β− | |
838 | 133La | 57 | 76 | 8.714109 | 1.408×104 | 3.91 | β+ | |
839 | 43Sc | 21 | 22 | 8.912907 | 1.401×104 | 3.89 | β+ | |
840 | 195mIr | 77 | 118 | 8.233326 | 1.368×104 | 3.80 | β−, IT (5) | |
841 | 193Hg | 80 | 113 | 1.368×104 | 3.80 | β+ | ||
842 | 176mLu | 71 | 105 | 1.319×104 | 3.66 | β−, EC (0.1) | ||
843 | 262Lr | 103 | 159 | 7.681556 | 1.296×104 | 3.60 | SF, β+, α | |
844 | 202mPb | 82 | 120 | 1.274×104 | 3.54 | IT, β+ (9.5) | ||
845 | 92Y | 39 | 53 | 8.993208 | 1.274×104 | 3.54 | β− | |
846 | 204Po | 84 | 120 | 8.161200 | 1.271×104 | 3.53 | β+, α (0.7) | |
847 | 132Ce | 58 | 74 | 8.696131 | 1.264×104 | 3.51 | β+ | |
848 | 150Tb | 65 | 85 | 8.545394 | 1.253×104 | 3.48 | β+, α (tr) | |
849 | 117mCd | 48 | 69 | 8.808840 | 1.210×104 | 3.36 | β− | |
850 | 61Cu | 29 | 32 | 9.087452 | 1.200×104 | 3.33 | β+ | |
851 | 209Pb | 82 | 127 | 8.155607 | 1.171×104 | 3.25 | β− | DP |
852 | 254Fm | 100 | 154 | 7.752808 | 1.166×104 | 3.24 | α, SF (0.06) | |
853 | 250Bk | 97 | 153 | 7.779523 | 1.156×104 | 3.21 | β− | |
854 | 161Er | 68 | 93 | 8.476352 | 1.156×104 | 3.21 | β+ | |
855 | 190mRe | 75 | 115 | 8.257433 | 1.152×104 | 3.20 | β− (54), IT | |
856 | 90mY | 39 | 51 | 1.148×104 | 3.19 | IT, β− (tr) | ||
857 | 191Au | 79 | 112 | 8.248343 | 1.145×104 | 3.18 | β+ | |
858 | 173Ta | 73 | 100 | 8.374218 | 1.130×104 | 3.14 | β+ | |
859 | 112Ag | 47 | 65 | 8.844756 | 1.127×104 | 3.13 | β− | |
860 | 247Cf | 98 | 149 | 7.803566 | 1.120×104 | 3.11 | β+, α (0.04) | |
861 | 184Ir | 77 | 107 | 8.286599 | 1.112×104 | 3.09 | β+ | |
862 | 190m3Ir | 77 | 113 | 1.111×104 | 3.09 | β+, IT (8.6) | ||
863 | 45Ti | 22 | 23 | 8.938121 | 1.109×104 | 3.08 | β+ | |
864 | 167Ho | 67 | 100 | 8.444304 | 1.081×104 | 3.00 | β− | |
865 | 264Lr | 103 | 161 | 1.081×104 | 3.00 | SF[30] | ||
866 | 134Sm | 62 | 72 | 1.048×104 | 2.91 | IT | ||
867 | 239Cm | 96 | 143 | 7.857143 | 1.044×104 | 2.90 | β+, α (tr) | |
868 | 197Tl | 81 | 116 | 8.215190 | 1.022×104 | 2.84 | β+ | |
869 | 88Kr | 36 | 52 | 8.976918 | 1.022×104 | 2.84 | β− | |
870 | 38S | 16 | 22 | 8.778196 | 1.022×104 | 2.84 | β− | |
871 | 87mSr | 38 | 49 | 1.013×104 | 2.82 | IT, EC (0.3) | ||
872 | 117Sb | 51 | 66 | 8.828977 | 1.008×104 | 2.80 | β+ | |
873 | 224Ac | 89 | 135 | 7.980993 | 1.001×104 | 2.78 | β+, α (9.4), β−(<1.6) | |
874 | 93Tc | 43 | 50 | 8.970274 | 9.900×103 | 2.75 | β+ | |
875 | 85Y | 39 | 46 | 9.648×103 | 2.68 | β+ | ||
876 | 150Pm | 61 | 89 | 8.562014 | 9.648×103 | 2.68 | β− | |
877 | 92Sr | 38 | 54 | 8.972067 | 9.576×103 | 2.66 | β− | |
878 | 256Fm | 100 | 156 | 7.737398 | 9.456×103 | 2.63 | SF, α (8.1) | |
879 | 31Si | 14 | 17 | 8.811618 | 9.438×103 | 2.62 | β− | CG |
880 | 56Mn | 25 | 31 | 9.087572 | 9.284×103 | 2.58 | β− | |
881 | 65Ni | 28 | 37 | 9.073267 | 9.062×103 | 2.52 | β− | |
882 | 195Ir | 77 | 118 | 9×103 | 2.50 | β− | ||
883 | 176W | 74 | 102 | 8.359055 | 9.000×103 | 2.50 | β+ | |
884 | 117Cd | 48 | 69 | 8.964×103 | 2.49 | β− | ||
885 | 116Te | 52 | 64 | 8.806414 | 8.964×103 | 2.49 | β+ | |
886 | 141Nd | 60 | 81 | 8.668476 | 8.964×103 | 2.49 | β+ | |
887 | 161Ho | 67 | 94 | 8.488737 | 8.928×103 | 2.48 | β+ | |
888 | 210Rn | 86 | 124 | 8.117032 | 8.640×103 | 2.40 | α (96), β+ | |
889 | 198Pb | 82 | 116 | 8.202893 | 8.640×103 | 2.40 | β+ | |
890 | 238Cm | 96 | 142 | 7.863764 | 8.640×103 | 2.40 | β+, α | |
891 | 83Br | 35 | 48 | 9.023243 | 8.640×103 | 2.40 | β− | |
892 | 152Dy | 66 | 86 | 8.532670 | 8.568×103 | 2.38 | β+, α (0.1) | IM |
893 | 178mTa | 73 | 105 | 8.355075 | 8.496×103 | 2.36 | β+ | |
894 | 187Pt | 78 | 109 | 8.267638 | 8.460×103 | 2.35 | β+ | |
895 | 165Dy | 66 | 99 | 8.456891 | 8.402×103 | 2.33 | β− | |
896 | 132I | 53 | 79 | 8.720570 | 8.262×103 | 2.30 | β− | |
897 | 158Er | 68 | 90 | 8.484619 | 8.244×103 | 2.29 | β+ | |
898 | 66Ge | 32 | 34 | 9.004964 | 8.136×103 | 2.26 | β+ | |
899 | 129Ba | 56 | 73 | 8.730746 | 8.028×103 | 2.23 | β+ | |
900 | 150Sm | 62 | 88 | 7.992×103 | 2.22 | β+, α (tr?) | ||
901 | 177W | 74 | 103 | 8.352118 | 7.920×103 | 2.20 | β+ | |
902 | 106mRh | 45 | 61 | 8.884761 | 7.860×103 | 2.18 | β− | |
903 | 129mBa | 56 | 73 | 7.776×103 | 2.16 | β+, IT (tr?) | ||
904 | 138mPr | 59 | 79 | 8.671088 | 7.632×103 | 2.12 | β+ | |
905 | 121I | 53 | 68 | 8.784443 | 7.632×103 | 2.12 | β+ | |
906 | 127Sn | 50 | 77 | 8.728800 | 7.560×103 | 2.10 | β− | |
907 | 123Xe | 54 | 69 | 8.764409 | 7.488×103 | 2.08 | β+ | |
908 | 186Pt | 78 | 108 | 8.274897 | 7.488×103 | 2.08 | β+, α (tr) | |
909 | 245Am | 95 | 150 | 7.818674 | 7.380×103 | 2.05 | β− | |
910 | 89Nb | 41 | 48 | 8.977507 | 7.308×103 | 2.03 | β+ | |
911 | 195mOs | 76 | 119 | 7.2×103 | 2.00 | β−, IT (?) | ||
912 | 117mIn | 49 | 68 | 8.828849 | 6.972×103 | 1.94 | β−, IT (47) | |
913 | 186mIr | 77 | 109 | 6.912×103 | 1.92 | β+, IT (~25) | ||
914 | 177Yb | 70 | 107 | 8.359401 | 6.880×103 | 1.91 | β− | |
915 | 198mTl | 81 | 117 | 6.732×103 | 1.87 | β+, IT (44) | ||
916 | 196Tl | 81 | 115 | 8.211618 | 6.624×103 | 1.84 | β+ | |
917 | 83m2Kr | 36 | 47 | 6.588×103 | 1.83 | IT | ||
918 | 18F | 9 | 9 | 8.022789 | 6.585×103 | 1.83 | β+ | CG,IM |
919 | 41Ar | 18 | 23 | 8.877852 | 6.577×103 | 1.83 | β− | CG |
920 | 163Tm | 69 | 94 | 8.456205 | 6.516×103 | 1.81 | β+ | |
921 | 239Pa | 91 | 148 | 7.848148 | 6.480×103 | 1.80 | β− | |
922 | 201Bi | 83 | 118 | 8.177875 | 6.480×103 | 1.80 | β+, α | |
923 | 207At | 85 | 122 | 8.135303 | 6.480×103 | 1.80 | β+, α (~10) | |
924 | 224Rn | 86 | 138 | 7.971327 | 6.420×103 | 1.78 | β− | |
925 | 80Sr | 38 | 42 | 8.950177 | 6.378×103 | 1.77 | β+ | |
926 | 181Os | 76 | 105 | 8.311935 | 6.300×103 | 1.75 | β+ | |
927 | 205Po | 84 | 121 | 8.156737 | 6.264×103 | 1.74 | β+, α (0.04) | |
928 | 149Nd | 60 | 89 | 8.570529 | 6.221×103 | 1.73 | β− | |
929 | 202Bi | 83 | 119 | 8.173966 | 6.192×103 | 1.72 | β+, α (tr) | |
930 | 249Es | 99 | 150 | 7.785464 | 6.132×103 | 1.70 | β+~, α (0.6) | |
931 | 147Tb | 65 | 82 | 8.552634 | 6.120×103 | 1.70 | β+ | |
932 | 87Zr | 40 | 47 | 8.983373 | 6.048×103 | 1.68 | β+ | |
933 | 126Ba | 56 | 70 | 8.727439 | 6.000×103 | 1.67 | β+ | |
934 | 113mIn | 49 | 64 | 5.968×103 | 1.66 | IT | ||
935 | 61Co | 27 | 34 | 9.102449 | 5.940×103 | 1.65 | β− | |
936 | 95Ru | 44 | 51 | 8.949749 | 5.915×103 | 1.64 | β+ | |
937 | 238Am | 95 | 143 | 7.867882 | 5.880×103 | 1.63 | β+,α (tr) | |
938 | 208At | 85 | 123 | 8.131376 | 5.868×103 | 1.63 | β+, α (0.6) | |
939 | 133Ce | 58 | 75 | 5.82×103 | 1.62 | β+ | ||
940 | 75Br | 35 | 40 | 8.993181 | 5.802×103 | 1.61 | β+ | |
941 | 152m5Eu | 63 | 89 | 5.76×103 | 1.60 | IT | ||
942 | 259Md | 101 | 158 | 7.709860 | 5.760×103 | 1.60 | SF, α (<1.3) | |
943 | 197mPt | 78 | 119 | 5.725×103 | 1.59 | IT, β− (3.3) | ||
944 | 230Ra | 88 | 142 | 7.921249 | 5.580×103 | 1.55 | β− | |
945 | 142La | 57 | 85 | 8.634954 | 5.466×103 | 1.52 | β− | |
946 | 78As | 33 | 45 | 9.004879 | 5.442×103 | 1.51 | β− | |
947 | 199Pb | 82 | 117 | 8.198111 | 5.400×103 | 1.50 | β+ | |
948 | 78Ge | 32 | 46 | 8.992635 | 5.280×103 | 1.47 | β− | |
949 | 255Cf | 98 | 157 | 7.738739 | 5.100×103 | 1.42 | β− | |
950 | 196mTl | 81 | 115 | 5.076×103 | 1.41 | β+, IT (3.8) | ||
951 | 196mIr | 77 | 119 | 8.219440 | 5.040×103 | 1.40 | β−, IT (<0.3) | |
952 | 132mI | 53 | 79 | 4.993×103 | 1.39 | IT, β− (14) | ||
953 | 139Ba | 56 | 83 | 8.682217 | 4.984×103 | 1.38 | β− | |
954 | 75Ge | 32 | 43 | 9.029413 | 4.967×103 | 1.38 | β− | |
955 | 120I | 53 | 67 | 8.769577 | 4.896×103 | 1.36 | β+ | |
956 | 266Db | 105 | 161 | 4.8×103 | 1.33 | α ?, SF ?, β+ ? | ||
957 | 256Md | 101 | 155 | 7.729062 | 4.620×103 | 1.28 | β+, α (9.2), SF (<3) | |
958 | 137Pr | 59 | 78 | 8.678459 | 4.608×103 | 1.28 | β+ | |
959 | 87Kr | 36 | 51 | 8.999022 | 4.578×103 | 1.27 | β− | |
960 | 164Yb | 70 | 94 | 8.443419 | 4.548×103 | 1.26 | β+ | |
961 | 163Er | 68 | 95 | 8.471168 | 4.500×103 | 1.25 | β+ | |
962 | 77Kr | 36 | 41 | 8.982618 | 4.464×103 | 1.24 | β+ | |
963 | 178Yb | 70 | 108 | 8.350530 | 4.440×103 | 1.23 | β− | |
964 | 237Am | 95 | 142 | 7.874830 | 4.380×103 | 1.22 | β+,α (0.03) | |
965 | 142Sm | 62 | 80 | 8.627616 | 4.349×103 | 1.21 | β+ | |
966 | 97Nb | 41 | 56 | 8.953864 | 4.326×103 | 1.20 | β− | |
967 | 185Pt | 78 | 107 | 8.269598 | 4.254×103 | 1.18 | β+ | |
968 | 195Tl | 81 | 114 | 8.215712 | 4.176×103 | 1.16 | β+ | |
969 | 129Te | 52 | 77 | 4.176×103 | 1.16 | β− | ||
970 | 104Ag | 47 | 57 | 8.889702 | 4.152×103 | 1.15 | β+ | |
971 | 110mIn | 49 | 61 | 4.146×103 | 1.15 | β+ | ||
972 | 174Ta | 73 | 101 | 8.368684 | 4.104×103 | 1.14 | β+ | |
973 | 68Ga | 31 | 37 | 9.057888 | 4.063×103 | 1.13 | β+ | IM |
974 | 85mSr | 38 | 47 | 4.058×103 | 1.13 | IT, β+ (13) | ||
975 | 190mIr | 77 | 113 | 4.032×103 | 1.12 | IT | ||
976 | 162mHo | 67 | 95 | 8.478371 | 4.020×103 | 1.12 | IT, β+ (38) | |
977 | 204m2Pb | 82 | 122 | 4.016×103 | 1.12 | IT | ||
978 | 89mNb | 41 | 48 | 3.96×103 | 1.10 | β+ | ||
979 | 103Ag | 47 | 56 | 8.894541 | 3.942×103 | 1.10 | β+ | |
980 | 249Cm | 96 | 153 | 7.787191 | 3.849×103 | 1.07 | β− | |
981 | 183Hf | 72 | 111 | 8.307885 | 3.841×103 | 1.07 | β− | |
982 | 229Ac | 89 | 140 | 7.937048 | 3.762×103 | 1.05 | β− | |
983 | 117Te | 52 | 65 | 8.798652 | 3.720×103 | 1.03 | β+ | |
984 | 240Np | 93 | 147 | 7.853348 | 3.714×103 | 1.03 | β− | DP |
985 | 182mHf | 72 | 110 | 3.69×103 | 1.03 | β−, IT (46) | ||
986 | 212Bi | 83 | 129 | 8.109617 | 3.633×103 | 1.01 | β−,α (36) | DP |
987 | 116mSb | 51 | 65 | 8.816483 | 3.618×103 | 1.01 | β+ | |
988 | 148Tb | 65 | 83 | 8.547949 | 3.600×103 | 1.00 | β+ | |
989 | 270Db | 105 | 165 | 3.600×103 | 1.00 | α, SF, ε? |
Radionuclides with half-lives of 1 minute to 1 hour
Radionuclides with half-lives of 1 second to 1 minute
Radionuclides with half-lives less than 1 second
See also
- Isotope geochemistry
- List of elements by stability of isotopes
- List of radioactive nuclides by half-life
- Monoisotopic element
- Mononuclidic element
- Primordial nuclide
- Radionuclide
- Stable nuclide
- Table of nuclides
Sources
Almost all data are taken from reference.[31] For more recent updates, see reference.[32] These sources do not indicate whether certain heavy isotopes starting from Lr, Rf, Db, ... (etc.) were produced, observed, or only predicted from estimated data.
Notes
- ^ Two further nuclides, plutonium-244 and samarium-146, have half-lives just long enough (8.0×107 and 1.03×108 years) that they could have survived from the formation of the Solar System and be present on Earth in trace quantities (having survived 57 and 45 half-lives). They have previously been considered primordial, but recent studies failed to find any evidence of them on Earth.[citation needed]
References
- ^ Thoennessen, M. (2 April 2019). "Discovery of Nuclides Project". Retrieved 26 April 2019.
- ^ primarily sourced from https://world-nuclear.org/information-library/non-power-nuclear-applications/radioisotopes-research/radioisotopes-in-medicine.aspx and https://world-nuclear.org/information-library/non-power-nuclear-applications/radioisotopes-research/radioisotopes-in-industry.aspx accessed 30 June 2016
- .
- ^ .
- ^ ISSN 1434-6001.
- ISSN 0954-3899.
- ISSN 0556-2813.
- ISSN 0556-2813.
- ISSN 0556-2813.
- ISSN 1434-6044.
- ISSN 1434-6001.
- ^ ISSN 2469-9985.
- ISSN 0954-3899.
- ISSN 0954-3899.
- ^ .
- ^ .
- .
- .
- ^ .
- S2CID 119523039.
- S2CID 218487451.
- ^ . Retrieved 23 November 2023.
- PMID 25601158.
- ^ Cosmogenic Iron-60 In Iron Meteorites: Measurements By Low-Level Counting.
- ^ Interstellar 60Fe detected on Earth - but where is the r-process nuclide 244Pu?
- ISSN 2045-2322.
- PMID 34611245.
- ^ Boutin, Chad (9 September 2014). "Polonium's Most Stable Isotope Gets Revised Half-Life Measurement". nist.gov. NIST Tech Beat. Retrieved 9 September 2014.
- ISSN 0969-8043.
- ^ a b "SHE Factory first experiment – FLEROV LABORATORY of NUCLEAR REACTIONS".
- ^ Jagdish K. Tuli, Nuclear Wallet Cards, 7th edition, April 2005, Brookhaven National Laboratory, US National Nuclear Data Center
- ^ Interactive chart of nuclides (Brookhaven National Laboratory)
External links
- National Nuclear Data Center, Brookhaven National Laboratory
- Karlsruhe Nuclide Chart, 9th edition, 2015, Joseph Magill, Gerda Pfennig, Raymond Dreher, Zsolt Sóti
- National Isotope Development Center Reference information on isotopes, and coordination and management of isotope production, availability, and distribution
- Isotope Development & Production for Research and Applications (IDPRA) U.S. Department of Energy program for isotope production and production research and development
- Atomic Weights and Isotopic Compositions for All Elements U.S. National Institute of Standards and Technology
- Table of nuclides (compact, with energy per baryon) Overview picture for energy of nuclides