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Vital Polyatmoic Ion
The most important polyatomic ions and charges to memeorize.
| Ion | Formula |
|---|---|
| acetate | (gen chem) C2H3O2 -1 or (organic) CH3COO -1 |
| nitrate | NO3 -1 |
| carbonate | CO3 -2 |
| sulfate | SO4 -2 |
| cyanide | CN -1 |
| hydroxide | OH -1 |
| chlorate | ClO3 -1 |
| phosphate | PO4 -3 |
| ammonium | NH4 +1 |
| ammonia | NH3 (no charge, not an ion) |
| water | H2O (no charge not and ion) |
| methane | CH4 (no charge not an ion) |
| nitrite | NO2 -1 |
| sulfite | SO3 -2 |
| chlorite | ClO2 -1 |
| phosphite | PO3 -3 |
| carbonite | CO2 -2 |