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Common cations
| Question | Answer |
|---|---|
| H+ | Hydrogen Ion |
| Li+ | Lithium Ion |
| Na+ | Sodium Ion |
| K+ | Potassium Ion |
| Cs+ | Cesium Ion |
| Ag+ | Silver Ion |
| Mg2+ | Magnesium Ion |
| Ca2+ | Calcium Ion |
| Sr2+ | Strontium Ion |
| Ba2+ | Barium Ion |
| Zn2+ | Zinc Ion |
| Cd2+ | Cadmium Ion |
| Al3+ | Aluminum Ion |
| NH4+ | Ammonium Ion |
| Cu+ | Copper (I) or cuprous ion |
| Co2+ | Cobalt (II) or cobaltous ion |
| Cu2+ | Copper (II) or cupric ion |
| Fe2+ | Iron (II) or ferrous ion |
| Mn2+ | Manganese (II) or manganous ion |
| Hg2+ | Mercury (I) or mercuric ion |