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Polyatomic IUPAC
| Question | Answer |
|---|---|
| Cuprous | Cu+1 |
| Cupric | Cu+2 |
| Mercurous | Hg+1 |
| Mercuric | Hg+2 |
| Chromous | Cr+2 |
| Chromic | Cr+3 |
| Manganous | Mn+2 |
| Manganic | Mn+3 |
| Ferrous | Fe+2 |
| Ferric | Fe+3 |
| Cobaltous | Co+2 |
| Cobaltic | Co+3 |
| Nickelous | Ni+2 |
| Nickelic | Ni+3 |
| Stannous | Sn+2 |
| Stannic | Sn+4 |
| Plumbous | Pb+2 |
| Plumbic | Pb+4 |