Template:Infobox helium isotopes: Difference between revisions
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en>DePiep (numbers by NUBASE2020, removed (uncert) here) |
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Latest revision as of 01:07, 18 January 2023
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Standard atomic weight Ar°(He) | ||||||||||||||||||||||||
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Helium | ||
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H ← |
→ Li | |
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indexes by PT (page) |
Data sets read by {{Infobox element}} | |
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Name and identifiers | |
Top image (caption, alt) | |
Pronunciation | |
Allotropes (demo) | |
Group (demo) | |
Period (demo) | |
Block (demo) | |
Standard atomic weight | |
most stable isotope | |
Natural occurrence | |
Phase at STP | |
Oxidation states | |
Spectral lines image | |
Electron configuration (cmt, ref) | |
Wikidata * | |
Symbol etymology (11 non-trivial) | |
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Category:data sets (0) |
References
- ↑ "Standard Atomic Weights: Helium". CIAAW. 1983.
- ↑ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
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