Table 2: Polyatomic Ions

Vocabulary practice for identifying names, formulas, and charges of common polyatomic ions based on the provided Table 2.

NH

A polyatomic ion with a charge of $1+$.

dimercury

A polyatomic ion with a charge of $2+$.

mercury(1) cation

A cation that exists as two $Hg^+$ ions joined together by a covalent bond and is written as $Hg_2^{2+}$.

acetate

A polyatomic ion with a charge of $1-$ and the formula $CH_3COO$.

bromate

A polyatomic ion with a charge of $1-$ and the formula $BrO$.

chlorate

A polyatomic ion with a charge of $1-$ and the formula $CIO$.

chlorite

A polyatomic ion with a charge of $1-$ and the formula $ClO_2$.

cyanide

A polyatomic ion with a charge of $1-$ and the formula $CN^-$.

dihydrogen phosphate

A polyatomic ion with a charge of $1-$ and the formula $H_2PO$.

hydrogen carbonate (bicarbonate)

A polyatomic ion with a charge of $1-$ and the formula $HCO$.

hydrogen sulfate

A polyatomic ion with a charge of $1-$ and the formula $HSO$.

hydroxide

A polyatomic ion with a charge of $1-$ and the formula $OH^-$.

hypochlorite

A polyatomic ion with a charge of $1-$ and the formula $CIO$.

nitrite

A polyatomic ion with a charge of $1-$ and the formula $NO_2$.

perchlorate

A polyatomic ion with a charge of $1-$ and the formula $CIO$.

permanganate

A polyatomic ion with a charge of $1-$ and the formula $MnO_4$.

carbonate

A polyatomic ion with a charge of $2-$ and the formula $co$.

arsenate

A polyatomic ion listed with a charge of $2-$ in Table 2.

chromate

A polyatomic ion with a charge of $2-$ and the formula $Cro$.

phosphate

A polyatomic ion listed with a charge of $2-$ in Table 2.

dichromate

A polyatomic ion with a charge of $2-$ and the formula $Cr_2O$.

hydrogen phosphate

A polyatomic ion with a charge of $2-$ and the formula $HPO$.

sulfite

A polyatomic ion with a charge of $2-$ and the formula $SO$.

sulfate

A polyatomic ion with a charge of $2-$ and the formula $So$.