Hydrogen
H

Valence Numbers:
-1, +1

















Lithium
Li

Valence Numbers:
+1

















Potassium
K

Valence Numbers:
+1

















Gallium
Ga

Valence Numbers:
+3

















Beryllium
Be

Valence Numbers:
+2

















Chromium
Cr

Valence Numbers:
+2,+3,+6

















Iron
Fe

Valence Numbers:
+2,+3

















Gold
Au

Valence Numbers:
+1,+3

















Silver
Ag

Valence Numbers:
+1

















Cesium
Cs

Valence Numbers:
+1

















Cadium
Cd

Valence Numbers:
+2

















Nickel
Ni

Valence Numbers:
+2,+3

















Sodium
Na

Valence Numbers:
+1

















Cobalt
Co

Valence Numbers:
+2,+3

















Rubidium
Rb

Valence Numbers:
+1

















Strontium
Sr

Valence Numbers:
+2

















Magnesium
Mg

Valence Numbers:
+2

















Calcium
Ca

Valence Numbers:
+2

















Copper
Cu

Valence Numbers:
+1,+2

















Oxygen
O

Valence Numbers:
-2

















Tin
Sn

Valence Numbers:
+2,+4

















Flourine
F

Valence Numbers:
-1

















Mercury
Hg

Valence Numbers:
+1,+2

















Potassium
P

Valence Numbers:
+3

















Barium
Ba

Valence Numbers:
+2

















Bromine
Br

Valence Numbers:
-1

















Zinc
Zn

Valence Numbers:
+2

















Sulphur
S

Valence Numbers:
-2

















Iodine
I

Valence Numbers:
-1

















Lead
Pb

Valence Numbers:
+2,+4

















Astatine
At

Valence Numbers:
-1

















Noble Gases
He   Ne   Kr
Ar   Xe   Ra


Valence Numbers:
none

















Nitrogen
N

Valence Numbers:
-3,+3

















Cyanide
CN

Valence Numbers:
-1

















Carbonate
CO3

Valence Numbers:
-2

















Arsenate
AsO4

Valence Numbers:
-3

















Acetate
CH3COO

Valence Numbers:
-1

















Cyanate
OCN

Valence Numbers:
-1

















Nitrate
NO3

Valence Numbers:
-1

















Oxalate
C2O4

Valence Numbers:
-2

















Chlorate
ClO3

Valence Numbers:
-1

















Thiocyanate
SCN

Valence Numbers:
-1

















Chromate
CrO4

Valence Numbers:
-2

















Sulphate
SO4

Valence Numbers:
-2

















Phosphate
PO4

Valence Numbers:
-3

















Hydrogen Carbonate
HCO3

Valence Numbers:
-1

















Permanganate
MnO4

Valence Numbers:
-1

















Hydrogen Phosphate
HPO4

Valence Numbers:
-2

















Peroxide
O2

Valence Numbers:
-2

















Hydrogen Sulphate
HSO4

Valence Numbers:
-1

















Dihydrogen Phosphate
H2PO4

Valence Numbers:
-1

















Hydrogen Sulphide
HS

Valence Numbers:
-1

















Hydroxide
OH

Valence Numbers:
-1

















Silicate
SiO3

Valence Numbers:
-2




















Valence Numbers:





















Valence Numbers:





















Valence Numbers:





















Valence Numbers: