Hydronium Ion
H3O+
Hydroxide Ion
OH-
Ammonium Ion
NH4+
Nitrate Ion
NO3-
Nitrite Ion
NO2-
Cyanide Ion
CN-
Cyanate Ion
CNO-
Thiocyanate Ion
SCN-
Formate Ion
HCO2-
Hydrogen Sulfate Ion
HSO4-
Sulfate Ion
SO4^2-
Phosphate Ion
PO4^3-
Hydrogen Phosphate
HPO4^2-
Dihydrogen Phosphate
H2PO4-
Phosphite Ion
PO3^3-
Carbonate Ion
CO3^2-
Hydrogen Carbonate
HCO3-
Peroxide Ion
O2^2-
Acetate Ion
C2H3O2-
Perchlorate Ion
ClO4-
Chlorate Ion
ClO3-
Chlorite Ion
ClO2-
Hypochlorite Ion
ClO-
Chromate Ion
CrO4^2-