Polyatomic Ions

Practice flashcards covering the chemical formulas, charges, and names of common polyatomic ions.

What is the chemical formula and charge of ammonium?

NH4^+

What is the chemical formula and charge of chromate?

CrO4^2-

What is the chemical formula and charge of peroxide?

O2^2-

What is the chemical formula and charge of dichromate?

Cr2O7^2-

What is the chemical formula and charge of hydroxide?

OH^-

What is the chemical formula and charge of cyanide?

CN^-

What is the chemical formula and charge of nitrate?

NO3^-

What is the chemical formula and charge of acetate?

C2H3O2^-

What is the chemical formula and charge of nitrite?

NO2^-

What is the chemical formula and charge of permanganate?

MnO4^-

What is the chemical formula and charge of phosphate?

PO4^3-

What is the chemical formula and charge of carbonate?

CO3^2-

What is the chemical formula and charge of phosphite?

PO3^3-

What is the chemical formula and charge of perchlorate?

ClO4^-

What is the chemical formula and charge of sulfate?

SO4^2-

What is the chemical formula and charge of chlorate?

ClO3^-

What is the chemical formula and charge of sulfite?

SO3^2-

What is the chemical formula and charge of chlorite?

ClO2^-

What is the chemical formula and charge of bicarbonate?

HCO3^-

What is the chemical formula and charge of hypochlorite?

ClO^-

What is the chemical formula and charge of oxalate?

C2O4^2-

What is the chemical formula and charge of hydrogen sulfate (bisulfate)?

HSO4^-

What is the chemical formula and charge of dihydrogen phosphate?

H2PO4^-

$$NH_4^{+1}$$

Ammonium

$$CrO_4^{-2}$$

Chromate

$$O_2^{-2}$$

Peroxide

$$Cr_2O_7^{-2}$$

Dichromate

$$OH^-$$

Hydroxide

$$CN^-$$

Cyanide

$$NO_3^{-1}$$

Nitrate

$$C_2H_3O_2^-$$

Acetate

$$NO_2^{-1}$$

Nitrite

$$MnO_4^-$$

Permanganate

$$PO_4^{-3}$$

Phosphate

$$CO_3^{-2}$$

Carbonate

$$PO_3^{-3}$$

Phosphite

$$ClO_4^-$$

Perchlorate

$$SO_4^{-2}$$

Sulfate

$$ClO_3^-$$

Chlorate

$$SO_3^{-2}$$

Sulfite

$$ClO_2^-$$

Chlorite

$$HCO_3^-$$

Bicarbonate

$$ClO^-$$

Hypochlorite

$$C_2O_4^{-2}$$

Oxalate

$$HSO_4^{-1}$$

Hydrogen sulfate (bisulfate)

$$H_2PO_4^{-1}$$

Dihydrogen phosphate