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Polyatomic Ions
| Name | Equation |
|---|---|
| Acetate | C2H3O2- |
| Ammonium | NH4+ |
| Arsenate | (AsO4)3- |
| Borate | (BO3)3- |
| Bromate | BrO3- |
| Carbonate | (CO3)2- |
| Chlorate | ClO3- |
| Chlorite | ClO2- |
| Chromate | (CrO4)2- |
| Cyanide | CN- |
| Dichromate | (Cr2O7)-2 |
| Dihydrogen Phosphate | H2PO4- |
| Hydrogen Carbonate (Bicarbonate) | HCO3- |
| Hydrogen Phosphate (Biphosphate) | (HPO4)-2 |
| Hydorgen Sulfate (Bisulfate) | HSO4- |
| Hydrogen Sulfite (BIsulfate) | HSO3- |
| Hydronium | H3O+ |
| Hydroxide | OH- |
| Hypochlorite | ClO- |
| Iodate | IO3- |
| Nitrate | NO3- |
| Nitrite | NO2- |
| Oxalate | (C2O4)2- |
| Perchlorate | ClO4- |
| Permanganate | MnO4- |
| Peroxide | (O2)2- |
| Phosphate | (PO4)3- |
| Silicate | (SiO3)2- |
| Sulfate | (SO4)2- |
| Sulfite | (So3)2- |