ammonium
NH4^+
Hydroxide
OH-
Cyanide
CN-
Nitrate
NO3-
Phosphate
PO4^3-
Sulfate
SO4^2-
Carbonate
CO3^2-
Bicarbonate/Hydrogen carbonate
HCO3-
Acetate
C2H3O2-
Permanganate
MnO4-
Chlorate
ClO3-
Sulfite
SO3^2-
Chromate
Cro4^2-
Perchlorate
ClO4-
Nitrite
NO2-