Polyatomic Ions Names, Formulas, and Charges

Vocabulary flashcards covering common polyatomic ion names, chemical formulas, charges, and naming conventions.

Nitrate

A polyatomic ion with a $1-$ charge and formula $NO_3^-$

Nitrite

A polyatomic ion with a $1-$ charge and formula $NO_2^-$

Hydroxide

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

Cyanide

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

Acetate

A polyatomic ion with a $1-$ charge and formula $C_2H_3O_2^-$

Permanganate

A polyatomic ion with a $1-$ charge and formula $MnO_4^-$

Hydrogen carbonate (bicarbonate)

A polyatomic ion with a $1-$ charge and formula $HCO_3^-$

Perchlorate

A polyatomic ion with a $1-$ charge and formula $ClO_4^-$

Chlorate

A polyatomic ion with a $1-$ charge and formula $ClO_3^-$

Sulfate

A polyatomic ion with a $2-$ charge and formula $SO_4^{2-}$

Sulfite

A polyatomic ion with a $2-$ charge and formula $SO_3^{2-}$

Carbonate

A polyatomic ion with a $2-$ charge and formula $CO_3^{2-}$

Chromate

A polyatomic ion with a $2-$ charge and formula $CrO_4^{2-}$

Dichromate

A polyatomic ion with a $2-$ charge and formula $Cr_2O_7^{2-}$

Peroxide

A polyatomic ion with a $2-$ charge and formula $O_2^{2-}$

Phosphate

A polyatomic ion with a $3-$ charge and formula $PO_4^{3-}$

Phosphite

A polyatomic ion with a $3-$ charge and formula $PO_3^{3-}$

Ammonium

A polyatomic ion with a $1+$ charge and formula $NH_4^+$