Common Polyatomic Ions

Vocabulary flashcards covering common polyatomic ions and their respective chemical formulas and charges.

Ammonium

A polyatomic ion with the chemical formula $(NH_4)^+$

Acetate

A polyatomic ion with the chemical formula $(C_2H_3O_2)^-$

Arsenate

A polyatomic ion with the chemical formula $(AsO_4)^{3-}$

Bicarbonate

A polyatomic ion with the chemical formula $(HCO_3)^-$

Bromate

A polyatomic ion with the chemical formula $(BrO_3)^-$

Carbonate

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

Chlorate

A polyatomic ion with the chemical formula $(ClO_3)^-$

Chlorite

A polyatomic ion with the chemical formula $(ClO_2)^-$

Chromate

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

Cyanide

A polyatomic ion with the chemical formula $(CN)^-$

Dichromate

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

Hydroxide

A polyatomic ion with the chemical formula $(OH)^-$

Hypochlorite

A polyatomic ion with the chemical formula $(ClO)^-$

Iodate

A polyatomic ion with the chemical formula $(IO_3)^-$

Nitrate

A polyatomic ion with the chemical formula $(NO_3)^-$

Nitrite

A polyatomic ion with the chemical formula $(NO_2)^-$

Oxalate

A polyatomic ion with the chemical formula $(C_2O_4)^{2-}$

Perchlorate

A polyatomic ion with the chemical formula $(ClO_4)^-$

Permanganate

A polyatomic ion with the chemical formula $(MnO_4)^-$

Peroxide

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

Phosphate

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

Phosphite

A polyatomic ion with the chemical formula $(PO_3)^{3-}$

Sulfate

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

Sulfite

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

Thiocyanate

A polyatomic ion with the chemical formula $(SCN)^-$