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Oxidation States Ion
Some elements and Polyatomic Ions
| Name | Symbol |
|---|---|
| ammonium | NH4 +1 |
| copper (I) | Cu +1 |
| Hydrogen | H +1 |
| Lithium | Li +1 |
| Potassium | K +1 |
| Sodium | Na +1 |
| Silver | Ag +1 |
| Barium | Ba +2 |
| Calcium | Ca +2 |
| Cobalt | Co +2 |
| Copper (II) | Cu +2 |
| Iron | Fe +2 |
| Lead (II) | Fe +2 |
| Magnesium | Mg +2 |
| Mercury | Hg +2 |
| Nickel | Ni +2 |
| Tin (II) | Sn +2 |
| Zinc | Zn +2 |
| Aluminum | Al +3 |
| Antimony | Sb +3 |
| Bismuth | Bi +3 |
| Chromium | Cr +3 |
| Iron (III) | Fe +3 |
| Lead (IV) | Pb +4 |
| Tin (IV) | Sn +4 |
| Acetate | C2H3O2 -1 |
| Bromide | Br -1 |
| Chlorate | ClO3 -1 |
| Chlorite | ClO2 -1 |
| Chloride | ClO -1 |
| Cyanide | CN -1 |
| Flouride | F -1 |
| Hydride | H -1 |
| Hydrogen Carbonate (Bicarbonate) | HCO3 -1 |
| Hydroxide | OH -1 |
| Iodide | I -1 |
| Nitrate | NO3 -1 |
| Nitrite | No2 -1 |
| Permangate | MnO4 -1 |
| Thiocyanate | SCN -1 |
| Perchlorate | ClO4 -1 |
| Hydrogen Sulfate (Bisulfate) | HSO4 -1 |
| Hydrogen Sulfite (Bisulfite) | HSO3 -1 |
| Hypochlorite | ClO -1 |
| Carbonate | CO3 -2 |
| Chromate | CrO4 -2 |
| Dichromate | Cr2O7 -2 |
| Oxide | O -2 |
| Peroxide | O2 -2 |
| Sulfate | SO4 -2 |
| Sulfite | SO3 -2 |
| Sulfide | S -2 |
| Thiosulfate | S2O3 -2 |
| Phosphate | PO4 -3 |