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Ions
| Element | Formula | Charge |
|---|---|---|
| Hydrogen | H | +1 |
| Lithium | Li | +1 |
| Sodium | Na | +1 |
| Potassium | K | +1 |
| Rubidium | Rb | +1 |
| Cesium | Cs | +1 |
| Beryllium | Be | +2 |
| Magnesium | Mg | +2 |
| Calcium | Ca | +2 |
| Strontium | Sr | +2 |
| Barium | Ba | +2 |
| Aluminum | Al | +3 |
| Copper (I) | Cu | +1 |
| Copper (II) | Cu | +3 |
| Iron (II) | Fe | +2 |
| Iron (III) | Fe | +3 |
| Mercury (I) | Hg2 | +2 |
| Mercury (II) | Hg | +2 |
| Lead (II) | Pb | +2 |
| Lead (IV) | Pb | +4 |
| Tin (II) | Sn | +2 |
| Tin (IV) | Sn | +4 |
| Chromium (II) | Cr | +2 |
| Chromium (III) | Cr | +3 |
| Manganese (II) | Mn | +2 |
| Manganese (III) | Mn | +3 |
| Cobalt (II) | Co | +2 |
| Cobalt (III) | Co | +3 |
| Silver | Ag | +1 |
| Zinc | Zn | +2 |
| Nickel | Ni | +2 |
| Ammonium | NH4 | +1 |
| Hydride | H | -1 |
| Fluoride | F | -1 |
| Chloride | Cl | -1 |
| Bromide | Br | -1 |
| Iodide | I | -1 |
| Oxide | O | -2 |
| Peroxide | O2 | -2 |
| Sulfide | S | -2 |
| Selenide | Se | -2 |
| Nitride | N | -3 |
| Phosphide | P | -3 |
| Arsenide | As | -3 |
| Phosphite | PO3 | -3 |
| Phosphate | PO4 | -3 |
| Hydrogen Phosphate | HPO4 | -2 |
| Dihydrogen Phosphate | H2PO4 | -1 |
| Acetate or Ethanoate | C2H3O2 | -1 |
| Sulfite | SO3 | -2 |
| Hydrogen Sulfite | HSO3 | -1 |
| Carbonate | CO3 | -2 |
| Hydrogen Carbonate | HCO3 | -1 |
| Nitrite | NO2 | -1 |
| Nitrate | NO3 | -1 |
| Cyanide | CN | -1 |
| Hydroxide | OH | -1 |
| Permanganate | MnO4 | -1 |
| Hypochlorate | ClO | -1 |
| Chlorite | ClO2 | -1 |
| Sulfate | SO4 | -2 |
| Hydrogen Sulfate | HSO4 | -1 |
| Chlorate | ClO3 | -1 |
| Perchlorate | ClO4 | -1 |
| Oxalate | C2O4 | -2 |
| Chromate | CrO4 | -2 |
| Dichromate | Cr2O7 | -2 |
| Silicate | SiO3 | -2 |