Polyatomic Ions

Vocabulary flashcards for polyatomic ions and their chemical formulas based on the provided reference list.

Polyatomic atoms Chart

A reference table listing common polyatomic ions and their chemical formulas.

Ammonium

The polyatomic cation represented by the formula $NH_4^+$.

Nitrate

The polyatomic anion represented by the formula $NO_3^-$.

Nitrite

The polyatomic anion represented by the formula $NO_2^-$.

Carbonate

The polyatomic anion represented by the formula $CO_3^{2-}$.

Bicarbonate (Hydrogen carbonate)

The polyatomic anion represented by the formula $HCO_3^-$.

Phosphate

The polyatomic anion represented by the formula $PO_4^{3-}$.

Hydrogen phosphate

The polyatomic anion represented by the formula $HPO_4^{2-}$.

Acetate

The polyatomic anion represented by the formula $C_2H_3O_2^-$.

Hydroxide

The polyatomic anion represented by the formula $OH^-$.

Cyanide

The polyatomic anion represented by the formula $CN^-$.

Peroxide

The polyatomic anion represented by the formula $O_2^{2-}$.

Sulfate

The polyatomic anion represented by the formula $SO_4^{2-}$.

Sulfite

The polyatomic anion represented by the formula $SO_3^{2-}$.

Bisulfate (Hydrogen sulfate)

The polyatomic anion represented by the formula $HSO_4^-$.

Perchlorate

The polyatomic anion represented by the formula $ClO_4^-$.

Chlorate

The polyatomic anion represented by the formula $ClO_3^-$.

Chlorite

The polyatomic anion represented by the formula $ClO_2^-$.

Hypochlorite

The polyatomic anion represented by the formula $ClO^-$.

Chromate

The polyatomic anion represented by the formula $CrO_4^{2-}$.

Dichromate

The polyatomic anion represented by the formula $Cr_2O_7^{2-}$.

Permanganate

The polyatomic anion represented by the formula $MnO_4^-$.