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polyatomic ions
| Question | Answer |
|---|---|
| SO4 -2 | sulfate |
| SiO3 -2 | silicate |
| CN -1 | cyanide |
| CO3 -2 | carbonate |
| MnO4 -1 | permanganate |
| H3O +1 | hydronium |
| CH3COO -1 | acetate |
| SO3 -2 | sulfite |
| CrO4 -2 | chromate |
| ClO4 -1 | perchlorate |
| C2O4 -2 | oxalate |
| ClO2 -1 | chlorite |
| NH4 +1 | ammonium |
| ClO3 -1 | chlorate |
| OH -1 | hydroxide |
| BrO3 -1 | bromate |
| PO4 -3 | phosphate |
| NO3 -1 | nitrate |
| NO2 -1 | nitrite |
| ClO -1 | hypochlorite |