1-H 2-He 3-Li 4-Be 5-B 6-C 7-N 8-O 9-F 10-Ne 11-Na 12-Mg 13-Al 14-Si 15-P 16-S 17-Cl 18-Ar 19-K 20-Ca 21-Sc 22 Ca 23 Sc 24 Ti 25V26Cr27Mn28Fe29Cot30Ni
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