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Polyatomic Ions
| Term | Definition |
|---|---|
| Ammonium | NH₄⁺ |
| Acetate | C₂H₃O₂⁻ |
| Carbonate | CO₃²⁻ |
| Chlorate | ClO₃⁻ |
| Cyanide | CN⁻ |
| Hydrogen Carbonate (bicarbonate) | HCO₃⁻ |
| Hydroxide | OH⁻ |
| Nitrate | NO₃⁻ |
| Phosphate | PO₄³⁻ |
| Sulfate | SO₄²⁻ |
| Chromate | CrO₄²⁻ |
| Dichromate | Cr₂O₇²⁻ |
| Nitrite | NO₂⁻ |
| Permanganate | MnO₄⁻ |
| Sulfite | SO₃²⁻ |
| HypoChlorite | ClO⁻ |
| Hydrogen Phosphate | HPO₄²⁻ |
| Dihydrogen Phosphate | H₂PO₄⁻ |
| hydrogen sulfate (bisulfate) | HSO₄⁻ |
| Hydrogen Sulfite (bisulfate) | HSO₃⁻ |