Polyatomic ions
From Chemistry Resource
Common polyatomic ions are:
| Cations | ammonium, NH4+ |
|---|---|
| Anions | nitrate, NO3- |
| acetate, C2H3O2- | |
| sulfate, SO42- | |
| hydroxide, OH- | |
| phosphate, PO43- | |
| carbonate, CO32- | |
| cyanide, CN- | |
| chlorate, ClO3- | |
| permanganate, MnO4- | |
| chromate, CrO42- | |
| dichromate, Cr2O72- |