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Polyatomic Ions
For PreAP chemistry
| Ion Name | Formula |
|---|---|
| Acetate | C₂H₃O⁻₂ |
| Ammonium | NH⁺₄ |
| Bicarbonate | HCO⁻₃ |
| Carbonate | CO²⁻₃ |
| Hypochlorite | ClO⁻ |
| Chlorite | ClO⁻₂ |
| Chlorate | ClO⁻₃ |
| Perchlorate | ClO⁻₄ |
| Permanganate | MnO⁻₄ |
| Chromate | CrO²⁻₄ |
| Dichromate | Cr₂O²⁻₇ |
| Cyanide | CN⁻ |
| Hydronium | H₃O⁺ |
| Hydroxide | OH⁻ |
| Nitrite | NO⁻₂ |
| Nitrate | NO⁻₃ |
| Phosphite | PO³⁻₃ |
| Phosphate | PO³⁻₄ |
| Sulfite | SO²⁻₃ |
| Sulfate | SO²⁻₄ |