Naming Polyatomic Ions

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species (ion) composed of two or more atoms covalently bonded, which can be considered as a single unit.

Front

Name the polyatomic ion: NO₃^-

Back

Nitrate.

Front

What is the charge of the sulfate ion (SO₄^2-)?

Back

The sulfate ion has a charge of -2.

Front

Name the polyatomic ion: CO₃^2-

Back

Carbonate.

Front

What is the formula for ammonium?

Back

NH₄⁺.

Front

Name the polyatomic ion: PO₄^3-

Back

Phosphate.

Front

What is the formula for hydroxide?

Back

OH^-.

Front

Name the polyatomic ion: C₂H₃O₂^-

Back

Acetate.

Front

What is the charge of the phosphate ion (PO₄^3-)?

Back

The phosphate ion has a charge of -3.

Front

Name the polyatomic ion: CrO₄^2-

Back

Chromate.