| Term | Definition |
| Aluminum | Al3+ |
| Ammonium | NH4^+ |
| Barium | Ba2+ |
| Cadmium | Cd2+ |
| Calcium | Ca2+ |
| Cesium | Cs+ |
| Chromium (III) or Chromic | Cr3+ |
| Cobalt (II) or Cobaltous | Co2+ |
| Copper (I) or Cuprous | Cu+ |
| Copper (II) or Cupric | Cu2+ |
| Hydrogen | H+ |
| Iron (II) or Ferrous | Fe2+ |
| Iron (III) or Ferric | Fe3+ |
| Lead (II) or plumbous | Pb2+ |
| Lithium | Li+ |
| Magnesium | Mg2+ |
| Manganese (II) or Manganous | Mn2+ |
| Mercury (I) or Mercurous | Hg2^2+ |
| Mercury (II) or Mercuric | Hg2+ |
| potassium | K+ |
| Rubidium | Rb+ |
| Silver | Ag+ |
| Sodium | Na+ |
| Strontium | Sr2+ |
| tin (II) or Stannous | Sn2+ |
| Zinc | Zn2+ |
| Bromide | Br- |
| Carbonate | CO3^2- |
| Chlorate | CLO3^- |
| Chloride | CL- |
| Chromate | CrO4^2- |
| Cyanide | CN- |
| Dichromate | Cr2O7^2- |
| Dihydrogen Phosphate | H2PO4^- |
| Fluoride | F- |
| Hydride | H- |
| Hydrogen Carbonate or Bicarbonate | HCO3^- |
| Hydrogen Phosphate | HPO4^2- |
| Hydrogen sulfate or Bisulfate | HSO4^- |
| Hydroxide | OH- |
| Iodide | I- |
| Nitrate | NO3^- |
| Nitrite | NO2^- |
| Nitride | N3- |
| Oxide | O- |
| Permanganate | MnO4^- |
| Peroxide | O2^2- |
| Phosphate | PO4^3- |
| Sulfate | SO4^2- |
| Sulfite | SO3^2- |
| Sulfide | S2- |
| Thiocyanate | SCN- |