Common Polyatomic Ions and Formulas

A collection of vocabulary flashcards mapping common chemical ions to their formulas based on the lecture notes.

Acetate

$CH_3COO^-$ ($C_2H_3O_2^-$)

Ammonium

$$NH_4^+$$

Carbonate

$$CO_3^{2-}$$

Chlorate

$$ClO_3^-$$

Chlorite

$$ClO_2^-$$

Chromate

$$CrO_4^{2-}$$

Cyanide

$$CN^-$$

Dichromate

$$Cr_2O_7^{2-}$$

Dihydrogen phosphate

$$H_2PO_4^-$$

Hydrogen carbonate (Bicarbonate)

$$HCO_3^-$$

Hydrogen phosphate

$$HPO_4^{2-}$$

Hydrogen sulfate (Bisulfate)

$$HSO_4^-$$

Hydronium

$$H_3O^+$$

Hydroxide

$$OH^-$$

Hypochlorite

$$ClO^-$$

Mercury(I) ion

$$Hg_2^{2+}$$

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Perchlorate

$$ClO_4^-$$

Permanganate

$$MnO_4^-$$

Peroxide

$$O_2^{2-}$$

Phosphate

$$PO_4^{3-}$$

Sulfate

$$SO_4^{2-}$$

Sulfite

$$SO_3^{2-}$$

Thiocyanate

$$SCN^-$$