| Term | Definition |
| Hypochlorite | ClO(1-) |
| Chlorite | ClO,2(1-) |
| Chlorate | ClO,3(1-) |
| Perchlorate | ClO,4(1-) |
| Nitrite | NO,2(1-) |
| Nitrate | NO,3(1-) |
| Amide | NH,2(1-) |
| Ammonium | NH,4(1+) |
| Acetate | CH,3COO(1-);C,2H,3O,2(1-) |
| Hydrogen Carbonate (Bicarbonate) | HCO,3(1-) |
| Carbonate | CO,3(2-) |
| Cyanide | CN(1-) |
| Silicate | SiO,3(2-) |
| Borate | BO,3(3-) |
| Hydrogen Sulfite (Bisulfite) | HSO,3(1-) |
| Sulfite | SO,3(2-) |
| Sulfate | SO,4(2-) |
| Hydrogen Sulfate (Bisulfate) | HSO,4(1-) |
| Thiosulfate | S,2O,3(2-) |
| Thiocyanate | SCN(1-) |
| Phosphite | PO,3(3-) |
| Phosphate | PO,4(3-) |
| Hydrogen Phosphate | HPO,4(2-) |
| Chromate | CrO,4(2-) |
| Permanganate | MnO,4(1-) |
| Hydroxide | OH(1-) |
| Oxalate | C,2O,4(2-) |
| Peroxide | O,2(2-) |
| Hydronium | H,3O(1+) |