symbole,nom,numro atomique,valence,1s,2s,2p,3s,3p,famille
H,Hydrogne,1,1,1,0,0,0,0,0,0,0,alcalins
He,Helium,2,2,2,0,0,0,0,0,0,0,gaz rares
Li,Lithium,3,1,2,1,0,0,0,0,0,0,alcalins
Be,Beryllium,4,2,2,2,0,0,0,0,0,0,alcalino-terreux
B,Bore,5,3,2,2,1,0,0,0,0,0,0
C,Carbone,6,4,2,2,2,0,0,0,0,0,0
N,Azote,7,5,2,2,3,0,0,0,0,0,Pnictognes
O,Oxygne,8,6,2,2,4,0,0,0,0,0,chalcognes
F,Fluor,9,7,2,2,5,0,0,0,0,0,halognes
Ne,Neon,10,8,2,2,6,0,0,0,0,0,gaz rares
Na,Sodium,11,1,2,2,6,1,0,0,0,0,alcalins
Mg,Magnesium,12,2,2,2,6,2,0,0,0,0,alcalino-terreux
Al,Aluminium,13,3,2,2,6,2,1,0,0,0,0
Si,Silicium,14,4,2,2,6,2,2,0,0,0,0
P,Phosphore,15,5,2,2,6,2,3,0,0,0,Pnictognes
S,Soufre,16,6,2,2,6,2,4,0,0,0,chalcognes
Cl,Chlore,17,7,2,2,6,2,5,0,0,0,halognes
Ar,Argon,18,8,2,2,6,2,6,0,0,0,gaz rares