Polyatomic Ions Practice - Question and Answer

Flashcards cover common polyatomic ions by name and formula in a Question and Answer format.

What is the chemical formula for Hydronium?

H_3O^+

What is the chemical formula for Ammonium?

NH_4^+

What is the chemical formula for Acetate?

CH3CO2^- or CH_3COO^-

What is the chemical formula for Cyanide?

CN^-

What is the chemical formula for Hypochlorite?

ClO^-

What is the chemical formula for Chlorite?

ClO_2^-

What is the chemical formula for Chlorate?

ClO_3^-

What is the chemical formula for Perchlorate?

ClO_4^-

What is the chemical formula for Hypobromite?

BrO^-

What is the chemical formula for Bromite?

BrO_2^-

What is the chemical formula for Bromate?

BrO_3^-

What is the chemical formula for Perbromate?

BrO_4^-

What is the chemical formula for Hypoiodite?

IO^-

What is the chemical formula for Iodite?

IO_2^-

What is the chemical formula for Iodate?

IO_3^-

What is the chemical formula for Periodate?

IO_4^-

What is the chemical formula for Dihydrogen Phosphate?

H2PO4^-

What is the chemical formula for Hydrogen Carbonate or Bicarbonate?

HCO_3^-

What is the chemical formula for Hydrogen Sulfate or Bisufate?

HSO_4^-

What is the chemical formula for Hydroxide?

OH^-

What is the chemical formula for Permanganate?

MnO_4^-

What is the chemical formula for Nitrate?

NO_3^-

What is the chemical formula for Nitrite?

NO_2^-

What is the chemical formula for Carbonate?

CO_3^{2-}

What is the chemical formula for Chromate?

CrO_4^{2-}

What is the chemical formula for Dichromate?

Cr2O7^{2-}

What is the chemical formula for Peroxide?

O_2^{2-}

What is the chemical formula for Hydrogen Phosphate?

HPO_4^{2-}

What is the chemical formula for Sulfate?

SO_4^{2-}

What is the chemical formula for Sulfite?

SO_3^{2-}

What is the chemical formula for Thiosulfate?

S2O3^{2-}

What is the chemical formula for Phosphate?

PO_4^{3-}

What is the chemical formula for Phosphite?

PO_3^{3-}