Common Ions: Anions

Negative ions (anions)

acetate (C₂H₃O₂^-)

-1 charge

cyanide (CN^-1)

-1 charge

dihydrogen phosphate (H₂PO₄^-)

-1 charge

hydrogen carbonate or bicarbonate(HCO^₃-)

-1 charge

hydrogen sulfate or bisulfate (HSO₄^-1)

-1 charge

hydroxide (OH^-)

-1 charge

nitrate (NO₃^-)

-1 charge

nitrite (NO₂^-)

-1 charge

perchlorate (ClO₄^-)

-1 charge

chlorate (ClO₃^-)

-1 charge

chlorite (Cl₂^-)

-1 charge

hypochlorite (ClO^-)

-1 charge

permanganate (MnO₄^-)

-1 charge

thiocyanate (SCN^-)

-1 charge

Group 17 anions (F^-, Cl^-, Br^-, I^-)

-1 charge

carbonate (CO₃^2-)

-2 charge

chromate (CrO₄^2-)

-2 charge

dichromate (Cr₂O₇^2-)

-2 charge

hydrogen phosphate (HPO₄^2-)

-2 charge

oxalate (C₂O₄^2-)

-2 charge

oxide (O^2-)

-2 charge

peroxide (O₂^2-)

-2 charge

sulfate (SO₄^2-)

-2 charge

sulfite (SO₃^2-)

-2 charge

sulfide (S^2-)

-2 charge

thiosulfate (S₂O₃^2-)

-2 charge

arsenate (AsO₄^3-)

-3 charge

phosphate (PO₄^3-)

-3 charge

phosphite (PO₃^3-)

-3 charge

Group 15 [nitride (N^3-), phosphide (P^3-)]

-3 charge