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Chem ion
| Term | Definition |
|---|---|
| Cation | A positive ion |
| Anion | A negative ion |
| Hydrogen | H+ |
| Lithium | Li+ |
| Sodium | Na+ |
| Potassium | K+ |
| Rubidium | Rb+ |
| Cesium | Cs+ |
| Silver | Ag+ |
| Magnesium | Mg+2 |
| Calcium | Ca+2 |
| Strontium | Sr+2 |
| Barium | Ba+2 |
| Zinc | Zn+2 |
| Cadmium | Cd+2 |
| Aluminium | Al+3 |
| Bismuth | Bi+3 |
| Hydride | H- |
| Floride | F- |
| Chloride | Cl- |
| Bromide | Br- |
| Iodide | I- |
| Oxide | O-2 |
| Sulfide | S-2 |
| Nitride | N-3 |
| Phosphide | P-3 |
| Carbide | C-4 or C(2)-2 |
| Ammonium | NH(4)+ |
| Hydronium | H(3)O+ |
| Hydroxide | OH- |
| Cyanide | CN- |
| Peroxide | O(2)-2 |
| Carbonate | CO(3)-2 |
| Oxalate | C(2)O(4)-2 |
| Nitrite | NO(2)- |
| Nitrate | NO(3)- |
| Phosphite | PO(3)-3 |
| Phosphate | PO(4)-3 |
| Sulfite | SO(3)-2 |
| Sulfate | SO(4)-2 |
| Thiosulfate | S(2)O(3)-2 |
| Hypochlorite | ClO- |
| Chlorite | ClO(2)- |
| Chlorate | ClO(3)- |
| Perchlorate | ClO(4)- |
| Acetate | CH(3)COO- or C(2)H(3)O(2)- |
| Arsenate | AsO(4)-3 |
| Borate | BO(3)-3 |
| Silicate | SiO(3)-2 |
| Permanganate | MnO(4)- |
| Chromate | CrO(4)-2 |
| Dichromate | Cr(2)O(7)-2 |
| Hydrogen Carbonate or Bicarbonate | HCO(3)- |
| Hydrogen Sulfite or bisulfite | HSO(3)- |
| Hydrogen Sulfate or bisulfate | HSO(4)- |
| Hydrogen Phosphate | HPO(4)-2 |
| Dihydrogen phosphate | H(2)PO(4)- |
| Chromous (II) | Cr+2 |
| Chromic (III) | Cr+3 |
| Cobaltous (II) | Co+2 |
| Cobaltic (III) | Co+3 |
| Cuprous (I) | Cu+ |
| Cupric (II) | Cu+2 |
| Ferrous (II) | Fe+2 |
| Ferric (III) | Fe+3 |
| Plumbous (II) | Pb+2 |
| Plumbic (IV) | Pb+4 |
| Manganous (II) | Mn+2 |
| Manganic (III) | Mn+3 |
| Manganese (IV) No classical system name - | Mn+4 |
| Mercurous (I) | Hg(2)+2 |
| Mercuric (II) | Hg+2 |
| Stannous (II) | Sn+2 |
| Stannic (IV) | Sn+4 |