Polyatomic ion
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A polyatomic ion is a molecule which has a positive or negative electrical charge.
- Acetate (CH3COO-)
- Ammonium (NH4+)
- Carbonate (CO32-)
- Chlorate (ClO3-)
- Chlorite (ClO22-)
- Chromate (CrO42-
- Cyanide (CN-)
- Dichromate (Cr2O7-)
- Hydronium (H3O+)
- Hydroxide (OH-)
- Nitrate (NO3-)
- Nitrite (NO2-)
- Phosphate (PO43-)
- Sulfate (SO42-)
- Sulfite (SO32-