| Ammonium | NH4+ | Chlorate | ClO3- | Peroxide | O2-2 |
| Acetate | CH3COO- | Perchlorate | ClO4- | Chromate | CrO4-2 |
| Nitrate | NO3- | Permanganate | MnO4- | Dichromate | Cr2O7-2 |
| Nitrite | NO2- | Carbonate | CO3-2 | Silicate | SiO3-2 |
| Hydroxide | OH- | Sulfate | SO4-2 | Phosphate | PO4-3 |
| Hypochlorite | ClO- | Sulfite | SO3-2 | Arsenate | AsO4-3 |
| Chlorite | ClO2- | Thiosulfate | S2O3-2 | Arsenite | AsO3-3 |
| Cyanate | CN- | Thiocyanate | SCN- | Borate | BO3-3 |
| Bicarbonate | HCO3- | Bisulfate | HSO4- | Bisulfite | HSO3- |