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Stock Notation
| Question | Answer |
|---|---|
| Iron (II) Oxide | FeO |
| Iron (III) Oxide | Fe2O3 |
| Mercury (I) Oxide | Hg2O |
| Mercury (II) Oxide | HgO |
| Lead (II) Oxide | PbO |
| Lead (IV) Oxide | PbO2 |
| Copper (I) Chloride | CuCl |
| Copper (II) Chloride | CuCl2 |
| Sulphur (IV) Oxide | SO2 |
| Sulphur (VI) Oxide | SO3 |