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Valencies for Ions
Useful for Prelim Chem
| Question | Answer |
|---|---|
| Sodium | N + |
| Potassium | K + |
| Lithium | Li + |
| Silver | Ag + |
| Copper (I) | Cu + |
| Ammonium | NH + |
| Barium | Ba 2+ |
| Magnesium | Mg 2+ |
| Calcium | Ca 2+ |
| Copper (II) | Cu 2+ |
| Iron (II) | Fe 2+ |
| Lead (II) | Pb 2+ |
| Zinc | Zn 2+ |
| Strontium | Sr 2+ |
| Tin (II) | Sn 2+ |
| Nickel | Ni 2+ |
| Cobalt | Co 2+ |
| Aluminium | Al 3+ |
| Iron (III) | Fe 3+ |
| Chromium (III) | Cr 3+ |
| Tin (IV) | Sn 4+ |
| Lead (IV) | Pb 4+ |
| Fluoride | F - |
| Chloride | Cl - |
| Bromide | Br - |
| Iodide | I - |
| Hydroxide | OH - |
| Nitrate | NO3 - |
| Nitrite | NO2 - |
| Acetate | CH3COO - |
| Hydrogen Carbonate | HCO3 - |
| Hydrogen Sulfate | HSO4 - |
| Dihydrogen Phosphate | H2PO4 - |
| Permanganate | MnO4 - |
| Oxide | O 2- |
| Sulfide | S 2- |
| Carbonate | Co3 2- |
| Sulfate | SO4 2- |
| Sulfite | SO3 2- |
| Chromate | CrO4 2- |
| Dichromate | Cr2O7 2- |
| Hydrogen Phosphate | HPO4 2- |
| Nitride | N 3- |
| Phospide | P 3- |
| Phosphate | PO4 3- |