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  • defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. The atomic mass constant (symbol:...
    18 KB (2,334 words) - 14:11, 20 February 2024
  • Thumbnail for List of Def Leppard band members
    band formed under the name Atomic Mass in 1977 in Sheffield as part of the new wave of British heavy metal. At the time of the band changing their name...
    25 KB (667 words) - 16:42, 19 April 2024
  • Atomic mass units
    )
    dalton or unified atomic mass unit (symbols: Da or u) is a non-SI unit of mass defined as 1/12 of the mass of an unbound neutral atom of carbon-12 in its...
    34 KB (3,680 words) - 19:08, 10 March 2024
  • Mass of proton)
    electron (the proton-to-electron mass ratio). Protons and neutrons, each with masses of approximately one atomic mass unit, are jointly referred to as...
    65 KB (6,795 words) - 19:04, 21 April 2024
  • Thumbnail for Isotope
    distinct nuclear species (or nuclides) of the same chemical element. They have the same atomic number (number of protons in their nuclei) and position...
    47 KB (5,822 words) - 02:04, 9 April 2024
  • Thumbnail for Standard atomic weight
    of mass (with dimension M) by multiplying it with the dalton, also known as the atomic mass constant. Among various variants of the notion of atomic weight...
    22 KB (3,353 words) - 09:13, 5 April 2024
  • Thumbnail for List of states with nuclear weapons
    Many of the decommissioned weapons were simply stored or partially dismantled, not destroyed. It is also noteworthy that since the dawn of the Atomic Age...
    96 KB (8,416 words) - 19:33, 26 April 2024
  • Equivalent mass
    )
    supplies or reacts with one mole of electrons (e−) in a redox reaction. Equivalent weight has the units of mass, unlike atomic weight, which is now used as...
    19 KB (2,682 words) - 00:31, 26 April 2024
  • The Earth retains oxygen as the second-largest component of its mass (and largest atomic fraction), mainly from this element being retained in silicate...
    39 KB (4,072 words) - 20:20, 25 April 2024
  • Thumbnail for Atomic bombings of Hiroshima and Nagasaki
    detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 129,000 and 226,000 people, most of whom were civilians...
    217 KB (24,998 words) - 03:45, 26 April 2024
  • Sub atomic particle)
    a mass of about 1/1836 of that of a hydrogen atom. The remainder of the hydrogen atom's mass comes from the positively charged proton. The atomic number...
    33 KB (3,133 words) - 11:51, 19 April 2024
  • Thumbnail for Israel and weapons of mass destruction
    of atomic weapons in the Israeli invasion of the Gaza Strip could be "one of the possibilities". He was neither a member the security cabinet nor of the...
    22 KB (2,155 words) - 22:12, 24 April 2024
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