Comprehensive Guide to Polyatomic Ions, Charges, and Oxyanion Nomenclature

Vocabulary flashcards covering common polyatomic ions organized by charge and the systematic naming rules relating -ate, per-ate, -ite, and hypo-ite ions.

Hydronium

A polyatomic ion with a $1+$ charge and the chemical formula $H_3O^+$.

Ammonium

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

Acetate

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

Nitrate

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

Iodate

A polyatomic ion with a $1-$ charge and the chemical formula $IO_3^-$.

Chlorate

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

Bromate

A polyatomic ion with a $1-$ charge and the chemical formula $BrO_3^-$.

Cyanide

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

Hydroxide

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

Sulfate

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

Chromate

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

Dichromate

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

Phosphate

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

Arsenate

A polyatomic ion with a $3-$ charge and the chemical formula $AsO_4^{3-}$.

Manganate

A polyatomic ion with a $1-$ charge and the chemical formula $MnO_4^-Revision$.

Carbonate

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

Oxalate

A polyatomic ion with a $2-$ charge and the chemical formula $C_2O_4^{2-}$.