NH4(+)
Ammonium
NO2(-)
Nitrite
NO3(-)
Nitrate
SO3(2-)
sulfite
SO4(2-)
Sulfate
HSO4(-)
Hydrogen sulfate/bisulfate
OH(-)
hydroxide
CN(-)
Cyanide
PO4(3-)
phosphate
HPO4(2-)
Hydrogen phosphate
H2PO4(-)
Dihydrogen phosphate
CO3(2-)
Carbonate
HCO3(-)
Hydrogen carbonate or bicarbonate
CH3COO(-)
Acetate
MnO4(-)
Permanganate
Cr2O7(2-)
Dichromate
O2(2-)
Peroxide
ClO(-)
Hypochlorite
ClO2(-)
Chlorite
ClO3(-)
Chlorate
ClO4(-)
Perchlorate