Naming Ionic Compounds and Common Polyatomic Ions

Vocabulary flashcards covering the definition of polyatomic ions and the names and chemical formulas of common polyatomic ions from the lecture notes.

Polyatomic Ions

Groups of covalently bonded atoms that form an ionic bond with a metallic cation or a nonmetallic anion.

Ammonium

A polyatomic ion with the chemical formula $NH_4^+$.

Nitrite

A polyatomic ion with the chemical formula $NO_2^-$.

Nitrate

A polyatomic ion with the chemical formula $NO_3^-$.

Sulfite

A polyatomic ion with the chemical formula $SO_3^{2-}$.

Sulfate

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

Hydrogen sulfate

A polyatomic ion with the chemical formula $HSO_4^-$, commonly known as bisulfate.

Hydroxide

A polyatomic ion with the chemical formula $OH^-$.

Cyanide

A polyatomic ion with the chemical formula $CN^-$.

Phosphate

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

Hydrogen phosphate

A polyatomic ion with the chemical formula $HPO_4^{2-}$.

Dihydrogen phosphate

A polyatomic ion with the chemical formula $H_2PO_4^-$.

Carbonate

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

Hydrogen carbonate

A polyatomic ion with the chemical formula $HCO_3^-$, commonly known as bicarbonate.

Hypochlorite

A polyatomic ion with the chemical formula $ClO^-$.

Chlorite

A polyatomic ion with the chemical formula $ClO_2^-$.

Chlorate

A polyatomic ion with the chemical formula $ClO_3^-$.

Perchlorate

A polyatomic ion with the chemical formula $ClO_4^-$.

Acetate

A polyatomic ion with the chemical formula $C_2H_3O_2^-$.

Permanganate

A polyatomic ion with the chemical formula $MnO_4^-$.

Dichromate

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

Chromate

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

Peroxide

A polyatomic ion with the chemical formula $O_2^{2-}$.

Bisulfate

A widely used common name for the hydrogen sulfate ion ($HSO_4^-$).

Bicarbonate

A widely used common name for the hydrogen carbonate ion ($HCO_3^-$).