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Common Type II ion
| Question | Answer |
|---|---|
| FE3+ | Iron III - Ferric |
| FE2+ | Iron II - Ferrous |
| CU2+ | Copper II - Cupric |
| CU+ | Copper I - Cuprous |
| CO3+ | Cobalt III - Cobaltic |
| CO2+ | Cobalt II - Cobaltous |
| Sn4+ | Tin IV - Stannic |
| SN2+ | Tin II - Stannous |
| Pb4+ | Lead IV - Plumbic |
| Pb3+ | Lead III - Plumbous |
| Hg2+ | Mercury II - Mercuric |
| Hg22+ | Mercury I - Mercurous |