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Polyatomoic Ions
| Name | Formula |
|---|---|
| Cyanide | CN- |
| Bromite | BrO2- |
| Chlorate | ClO3- |
| Permanganate | MnO4- |
| Iodite | IO2- |
| Chromate | CrO4(2-) |
| Nitrate | NO3- |
| Ammonium | NH4+ |
| Hydroxide | OH- |
| Nitrite | NO2- |
| Chlorite | ClO2- |
| Chlorate | ClO3- |
| Phosphate | PO4(3-) |
| Carbonate | CO3(2-) |
| Hydronium | H3O+ |
| Sulfite | SO3(2-) |
| Sulfate | SO4(2-) |
| Chromate | CrO4(2-) |
| Dichromate | Cr2O7(2-) |
| Perchlorate | ClO4(-) |
| Acetate | C2H3O2−. |
| Hypoiodite | IO- |
| Phosphite | PO3(3-) |
| Iodate | IO3(-) |