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Polyatomic Ions
| Term | Definition |
|---|---|
| NO₃ ⁻¹ | nitrate |
| NO₂ ⁻¹ | nitrite |
| CN ⁻¹ | cyanide |
| MnO₄ ⁻¹ | permanganate |
| OH ⁻¹ | hydroxide |
| HCO₃ ⁻¹ | hydrogen carbonate (bicarbonate) |
| HSO₄ ⁻¹ | hydrogen sulfate (bisulfate) |
| C₂H₃O₂ ⁻¹ | acetate |
| CO₃ ⁻² | carbonate |
| SO₄ ⁻² | sulfate |
| SO₃ ⁻² | sulfite |
| PO₃ ⁻³ | phosphite |
| PO₄ ⁻³ | phosphate |
| NH₄ ⁺¹ | ammonium |