Polyatomic Ions Formulas and Charges

Practice flashcards for learning common polyatomic ions, including their chemical formulas and charges.

What is the formula and charge of the Acetate ion?

$C_2H_3O_2^{-1}$ or $CH_3COO^{-1}$

What is the formula and charge of the Ammonium ion?

$$NH_4^{+1}$$

What is the formula and charge of the Bicarbonate ion?

$$HCO_3^{-1}$$

What is the formula and charge of the Carbonate ion?

$$CO_3^{-2}$$

What is the formula and charge of the Chlorate ion?

$$ClO_3^{-1}$$

What is the formula and charge of the Chromate ion?

$$CrO_4^{-2}$$

What is the formula and charge of the Hydroxide ion?

$$OH^{-1}$$

What is the formula and charge of the Nitrate ion?

$$NO_3^{-1}$$

What is the formula and charge of the Phosphate ion?

$$PO_4^{-3}$$

What is the formula and charge of the Sulfate ion?

$$SO_4^{-2}$$

Which ion is represented by the formula and charge $C_2H_3O_2^{-1}$ or $CH_3COO^{-1}$?

Acetate

Which ion is represented by the formula and charge $NH_4^{+1}$?

Ammonium

Which ion is represented by the formula and charge $HCO_3^{-1}$?

Bicarbonate

Which ion is represented by the formula and charge $CO_3^{-2}$?

Carbonate

Which ion is represented by the formula and charge $ClO_3^{-1}$?

Chlorate

Which ion is represented by the formula and charge $CrO_4^{-2}$?

Chromate

Which ion is represented by the formula and charge $OH^{-1}$?

Hydroxide

Which ion is represented by the formula and charge $NO_3^{-1}$?

Nitrate

Which ion is represented by the formula and charge $PO_4^{-3}$?

Phosphate

Which ion is represented by the formula and charge $SO_4^{-2}$?

Sulfate