Chlorate ion
ClO-
3
Chlorite ion
ClO-
2
Cyanide ion
CN-
Hydroxide ion
OH-
Hypochlorite ion
ClO-
Nitrate ion
NO-
3
Nitrite ion
NO-
2
Phosphate ion
PO3-
4
Phosphite ion
PO3-
3
Sulfate
SO2-
4
Sulfite ion
SO2-
3
Ammonium ion
NH4+
Acetate
C2H3O2-
Carbonate ion
CO 2-
3