Polyatomic Ions Vocabulary

Flashcards covering common polyatomic ions, cations, and their chemical formulas from the lecture notes.

Perchlorate

$$ClO_4^-$$

Chlorate

$$ClO_3^-$$

Chlorite

$$ClO_2^-$$

Hypochlorite

$OCl^-$ or $ClO^-$

Sulfate

$$SO_4^{2-}$$

Sulfite

$$SO_3^{2-}$$

Hydrogen sulfate or bisulfate

$$HSO_4^-$$

Hydrogen sulfite or bisulfite

$$HSO_3^-$$

Thiosulfate

$$S_2O_3^{2-}$$

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Cyanide

$$CN^-$$

Thiocyanate

$NCS^-$ or $SCN^-$

Carbonate

$$CO_3^{2-}$$

Hydrogen carbonate or bicarbonate

$$HCO_3^-$$

Phosphate

$$PO_4^{3-}$$

Phosphite

$$PO_3^{3-}$$

Hydrogen phosphate

$$HPO_4^{2-}$$

Dihydrogen phosphate

$$H_2PO_4^-$$

Hydroxide

$$OH^-$$

Peroxide

$$O_2^{2-}$$

Oxalate

$$C_2O_4^{2-}$$

Acetate

$$C_2H_3O_2^-$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Permanganate

$$MnO_4^-$$

Ammonium

$$NH_4^+$$

Mercury(I)

$$Hg_2^{2+}$$

Hydronium

$$H_3O^+$$