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Polyatomic Ions
| Term | Definition |
|---|---|
| Ammonium | NH₄⁺ |
| Cyanide | CN- |
| Carbonate | CO₃²⁻ |
| Acetate | C₂H₃O₂⁻ |
| Chlorite | ClO₂⁻ |
| Chlorate | ClO₃⁻ |
| Chromate | CrO₄⁻² |
| Permanganate | MnO₄⁻ |
| Nitrate | NO₃⁻ |
| Hydroxide | OH⁻ |
| Phosphate | PO₄³⁻ |
| Sulfite | SO₃²⁻ |
| Sulfate | SO₄²⁻ |
| Thiosulfate | S₂O₃²⁻ |