POLYATOMIC IONS

Nitrate

NO3(-)

Nitrite

NO2(-)

Carbonate

CO3(2-)

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Carbonate

$$CO_3^{2-}$$

Hydrogen carbonate (Bicarbonate)

$$HCO_3^-$$

Sulfate

$$SO_4^{2-}$$

Sulfite

$$SO_3^{2-}$$

Hydrogen sulfate (Bisulfate)

$$HSO_4^-$$

Phosphate

$$PO_4^{3-}$$

Hydroxide

$$OH^-$$

Ammonium

$$NH_4^+$$

Hydronium

$$H_3O^+$$

Acetate

$$C_2H_3O_2^-$$

Cyanide

$$CN^-$$

Permanganate

$$MnO_4^-$$

Hypochlorite

$$ClO^-$$

Chlorite

$$ClO_2^-$$

Chlorate

$$ClO_3^-$$

Perchlorate

$$ClO_4^-$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Peroxide

$$O_2^{2-}$$