Sulfate
SO4^2-
sulfite
SO3^2-
nitrate
NO3^1-
nitrite
NO2^1-
Carbonate
CO3^2-
Bicarbonate
HCO3^1-
phosphate
PO4^3-
hypochlorite
CLO^1-
chlorite
CLO2^1-
chlorate
CLO3^1-
Perchlorate
CLO4^1-
Acetate
CH3COO^1- or C2H3O2
hydroxide
OH^1-
Hydronium
H3O^1+
Ammonium
NH4^1+
chromate
CrO4^2-
Dichromate
Cr2O7^2-
cyanide
CN^1-
permanganate
MnO4^1-