Polyatomic Ions

A set of vocabulary flashcards covering common polyatomic ions, their chemical formulas, and their electric charges.

Hydroxide

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

Nitrate

A polyatomic ion with the chemical formula $NO_3^-$ and a charge of $-1$.

Nitrite

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

Carbonate

A polyatomic ion with the chemical formula $CO_3^{2-}$ and a charge of $-2$.

Sulfate

A polyatomic ion with the chemical formula $SO_4^{2-}$ and a charge of $-2$.

Sulfite

A polyatomic ion with the chemical formula $SO_3^{2-}$ and a charge of $-2$.

Phosphate

A polyatomic ion with the chemical formula $PO^{3-}$ and a charge of $-3$.

Ammonium

A polyatomic ion with the chemical formula $NH_4^+$ and a charge of $+1$.

Acetate

A polyatomic ion with the chemical formula $C_2H_3O_2^-$ and a charge of $-1$.

Cyanide

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