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VALENCE/OXIDATION NUMBERS
Element/Ion/Radical Symbol Valence/Oxidation Number
Aluminum
Al
3+
Antimony
Sb
3+, 5+
Arsenic
As
3+, 5+
Barium
Ba
2+
Bismuth
Bi
3+
Boron
B
3+
Bromine
Br
1-
Calcium
Ca
2+
Cadmium
Cd
2+
Carbon
C
2+, 4+
Chlorine
Cl
1-
Chromium
Cr
2+, 3+, 6+
Cobalt
Co
2+, 3+
Copper
Cu
1+, 2+
Fluorine
F
1-
Hydrogen
H
1+
Iodine
I
1-
Iron
Fe
2+,3+
Lithium
Li
1+
Lead
Pb
2+, 4+
Magnesium
Mg
2+
Manganese
Mn
2+, 4+, 7+
Mercury
Hg
1+, 2+
Nickel
Ni
2+
Nitrogen
N
3- ,3+, 5+
Oxygen
O
2-
Phosphorous
P
3+, 5+
