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H
+1
He
0
Li
+1
Be
+2
B
+3
C
±4
N
-3
O
-2
F
-1
Ne
0
Na
+1
Mg
+2
Al
+3
Si
±4
P
-3
S
-2
Cl
-1
Ar
0
K
+1
Ca
+2
Sc
+3
Ti
+4
V
+5
Cr
+3
Mn
+2
Fe
+2/+3
Co
+2/+3
Ni
+2
Cu
+1/+2
Zn
+2
Ga
+3
Ge
±4
As
-3
Se
-2
Br
-1
Kr
0
Rb
+1
Sr
+2
Y
+3
Zr
+4
Nb
+5
Mo
+6
Tc
+7
Ru
+3
Rh
+3
Pd
+2
Ag
+1
Cd
+2
In
+3
Sn
+2/+4
Sb
-3
Te
-2
I
-1
Xe
0