User:Sandbh
We choose [these things], not because they are easy, but because they are hard, because [they] will serve to organize and measure the best of our energies and skills
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Wikipedia articles
Astatine Heavy metals Metalloid
Metalloid (nomenclature origin and usage) ♦ Nonmetal ♦ Metal ♦ Nitrogen ♦ Noble metal ♦ Periodic table ♦ Periodic table (crystal structure) ♦ Post-transition metal (with thanks to Double sharp) ♦ Properties of nonmetals (and metalloids) by group ♦ Properties of metals, metalloids and nonmetals ♦ Toxic heavy metal ♦ Types of periodic tables
Publications etc
Last updated Oct 6
2013 | Which elements are metalloids? Journal of Chemical Education. 90, 12, 1703–1707, doi:10.1021/ed3008457. Citations: 64 ; Views: 2,319
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2017 | Group 3 for IUPAC: I. User:Sandbh/Group 3, lodged Jan 11th |
2018 | Iyer S.: As sesquicentennial occurs, debate on arrangement of periodic table continues. Daily Bruin. November 21st, with quotations and contributions from Eric Scerri, PJ Stewart, and RE Vernon |
2019 | Reader comment, Miller JS 2019, Viewpoint: Metalloids—An electronic band structure perspective. Chemistry: A European Journal. 25, 48, 11177, |
2019 | Group 3 for IUPAC: II, lodged Oct 11th |
2020 | Organising the metals and nonmetals. Foundations of Chemistry. 22, 2, 217−233. Accesses: † 20,121; citations: 7 |
2020 | The location and composition of Group 3 of the periodic table. Foundations of Chemistry. 23, 2, 155–197, Accesses: † 18,632; citations: 19 |
2020 | Cao C, Vernon RE, Schwarz WEH, & Li J, Understanding periodic and non-periodic chemistry in periodic tables. Frontiers in Chemistry. Accesses: 18,815; ‡ citations: 26 |
2021 | Group 3 for IUPAC: III, lodged November 3rd |
2022 | ACS Spring Technical Program, March 23, "Which elements are metals and nonmetals(?)", virtual presentation, |
2023 | Hydrogen over helium: A philosophical position (in press) 354 views; 346 downloads |
2023 | The location and composition of Group 3: A follow-on examination 260 views; 293 downloads; 10 recommendations§ |
2024 | Organising the metals and nonmetals: An update (forthcoming) |
ongoing | Internet database of periodic tables, 126 contributions |
†
Researchgate
‡
Researchgate
§
Researchgate
In progress
- Nonmetal—Copyediting pre-FAC
On the bench in my workshop
Wikipedia related
- Essay: A young person’s guide to 1RY, 2RY, and 3RY sources
Chemical elements related
- WP:FAC
- Which elements are noble metals?
- Periodic table—review
- Eh?
Under a dustcover
- Drawing lines on the periodic table
- Representative and transition element group names
- The periodic table family tree; the n, n + 10 relationship; and Group 3
Subpages
- Nonmetal redraft (old)
- Quotes from the literature (nonmetals)
- Sandbox
- User:Sandbh/Nonmetal_rfc
- User:Sandbh/Alternate_periodic_tables_redraft
Useful links
- User:Double sharp/Group 3 sources
- Eric Scerri lecture Mar 1, 2022, Univ. of New Hampshire
- Semimetal electron density
- Thermodynamics and the group 3 question