Ammonium Ion
(NH4)+
Chlorite Ion
(ClO2)-
Chlorate Ion
(ClO3)-
Acetate Ion
(C2H3O2)-
Hydroxide Ion
(OH)-
Sulfate Ion
(SO4)2-
Phosphate Ion
(PO4)3-
Hydrogen Ion or Bisulfate Ion
(HSO4)-
Peroxide Ion
(O2)2-
Nitrate Ion
(NO3)-
Carbonate Ion
(CO3)2-
Sulfite Ion
(SO3)2-
Permanganate ion
(MnO4)-
Oxalate ion
(C2O4)2-
Chromate ion
(CrO4)2-
Cyanide ion
(CN)-
Dichromate ion
(Cr2O7)2-
Iodate ion
(IO3)-
Bromate ion
(BrO3)-