.
Alkali metal
Noble gases
Halogens
Alkali Earth metal
Na
C
N
He
+1
-1
-3
Zero
MgS
H2O
CH4
N2O3
LiN
Li2N3
Li3N
Li3N2
Na
Cl
K
Al
Ca
Na
Mg
Al
AlN , LiS2
Al2N , Li2S
AlN , Li2S
AlN2 , LiS
Metal , metal
Non-metal , non-metal
Metal , non-metal
Non-metal , metal
C , N
O , S
K , Ca
H , He
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