Polyatomic Terms and Formulas

Vocabulary flashcards covering common polyatomic ions and their corresponding chemical formulas and charges.

Hydroxide

$$OH^-$$

Peroxide

$$O_2^{2-}$$

Cyanide

$$CN^-$$

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Carbonate

$$CO_3^{2-}$$

hydrogen carbonate (bicarbonate)

$$HCO_3^-$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Sulfate

$$SO_4^{2-}$$

hydrogen sulfate (bisulfate)

$$HSO_4^-$$

Sulfite

$$SO_3^{2-}$$

hydrogen sulfite (bisulfite)

$$HSO_3^-$$

Phosphate

$$PO_4^{3-}$$

hydrogen phosphate (biphosphate)

$$HPO_4^{2-}$$

Dihydrogen Phosphate

$$H_2PO_4^-$$

Thiocyanate

$$NCS^-$$

Permanganate

$$MnO_4^-$$

Acetate

$$C_2H_3O_2^-$$

Oxalate

$$C_2O_4^{2-}$$

Perchlorate

$$ClO_4^-$$

Chlorate

$$ClO_3^-$$

Chlorite

$$ClO_2^-$$

Hypochlorite

$$ClO^-$$

Perbromate

$$BrO_4^-$$

Bromate

$$BrO_3^-$$

Bromite

$$BrO_2^-$$

Hypobromite

$$BrO^-$$

Ammonium

$$NH_4^+$$

Mercury (I)

$$Hg_2^{2+}$$

Arsenite

AsO3 3-

Arsenate

AsO4 3-