1 2 13 14 15 16 17 H; 1; 1.008 Li; 3; 6.941 Be; 4; 9.012 B; 5; 10.81 C; 6; 12.01 N; 7; 14.01 O; 8; 16.00 F; 9; 19.00 Na; 11; 22.99 Mg; 12; 24.30 Al; 13; 26.98 Si; 14; 28.09 P; 15; 30.97 S; 16; 32.07 Cl; 17; 35...
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