Foundations of Chemistry. Philippa B. Cranwell

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