Common Polyatomic Ions

A set of vocabulary flashcards mapping common polyatomic ion names to their chemical formulas and charges based on the lecture sheet.

Ammonium

$$NH_4^+$$

Hydronium

$$H_3O^+$$

Mercury (I)

$$Hg_2^{2+}$$

Carbonate

$$CO_3^{2-}$$

Bicarbonate

$$HCO_3^-$$

Chlorate

$$ClO_3^-$$

Chlorite

$$ClO_2^-$$

Perchlorate

$$ClO_4^-$$

Hypochlorite

$$ClO^-$$

Hydroxide

$$OH^-$$

Peroxide

$$O_2^{2-}$$

Acetate

$$C_2H_3O_2^-$$

Oxalate

$$C_2O_4^{2-}$$

Cyanide

$$CN^-$$

Thiocyanate

$$SCN^-$$

Sulfate

$$SO_4^{2-}$$

Sulfite

$$SO_3^{2-}$$

Bisulfate

$$HSO_4^-$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Permanganate

$$MnO_4^-$$

Azide

$$N_3^-$$

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Phosphate

$$PO_4^{3-}$$

Phosphite

$$PO_3^{3-}$$

Hydrogen phosphate

$$HPO_4^{2-}$$

Dihydrogen phosphate

$$H_2PO_4^-$$