Table 9.3 Common Polyatomic Ions

Flashcards covering the names, formulas, and charges of common polyatomic ions from Table 9.3.

$$H_2PO4^{-}$$

Dihydrogen phosphate

$$C_2H_3O_2^{-}$$

Ethanoate (acetate)

$$HSO3^{-}$$

Hydrogen sulfite

$$HSO4^{-}$$

Hydrogen sulfate

$$HCO_3^{-}$$

Hydrogen carbonate

$$NO_2^{-}$$

Nitrite

$$NO_3^-$$

Nitrate

$$CN^-$$

Cyanide

$$OH^-$$

Hydroxide

$$MnO4^{-}$$

Permanganate

$$ClO^{-}$$

Hypochlorite

$$ClO_2^{-}$$

Chlorite

$$ClO_3^-$$

Chlorate

$$ClO_4^{-}$$

Perchlorate

$$HPO4^{2-}$$

Hydrogen phosphate

$$C2O4^{2-}$$

Oxalate

$$SO_3^{2-}$$

Sulfite

$$SO4^{2-}$$

Sulfate

$$CO_3^{2-}$$

Carbonate

$$O_2^{2-}$$

peroxide

$$CrO4^{2-}$$

Chromate

$$Cr_2O7^{2-}$$

Dichromate

$$SIO_3^{2-}$$

Silicate

$$PO_3^{3-}$$

Phosphite

$$PO4^{3-}$$

Phosphate

$$NH4^{+}$$

Ammonium