a list of the polyatomic ions, written in both forms
Quiz yourself by guessing what should be in
each of the black rectangles below before clicking
on it to display the answer.
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| Front |
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| Back |
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| Hg2 2+ |
Mercury |
| H3O+ |
Hydronium |
| NH4+ |
Ammonium |
| NO2- |
Nitrite |
| NO3- |
Nitrate |
| SO3 2- |
Sulfite |
| SO4 2- |
Sulfate |
| HPO4 2- |
Hydrogen phosphate |
| H2PO4- |
Dihydrogen phosphate |
| SCN- |
Thiocyanate |
| CO3 2- |
Carbonate |
| HCO3 - |
Hydrogen carbonate |
| ClO- |
Hypochlorite |
| ClO2 - |
Chlorite |
| ClO3 - |
Chlorate |
| ClO4 - |
Perchlorate |
| C2H3O2 - |
Acetate |
| MnO4 - |
Permanganate |
| Cr2O7 2- |
Dichromate |
| CrO4 2- |
Chromate |
| HSO4- |
Hydrogen sulfate |
| OH- |
Hydroxide |
| CN- |
Cyanide |
| PO4 3- |
Phosphate |
| O2 2- |
Peroxide |
| S2O3 2- |
Thiosulfate |
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