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A138228
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Atomic numbers at the top of the 18 groups of the Mendeleyev-Seaborg table A138724.
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0
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1, 4, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 5, 6, 7, 8, 9, 2
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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This refers to the following 18 elements at the top of their groups: H, Be, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, B, C, N, O, F, He.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,fini,full,less
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AUTHOR
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STATUS
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approved
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