Polyatomic Ions

Front

What is a polyatomic ion?

Back

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

Front

Give an example of a common polyatomic ion and its formula.

Back

Sulfate (SO₄²⁻) is a common polyatomic ion.

Front

What is the charge of the nitrate ion?

Back

The charge of the nitrate ion (NO₃⁻) is -1.

Front

Identify the formula for ammonium.

Back

The formula for ammonium is NH₄⁺.

Front

What is the name of the ion with the formula CO₃²⁻?

Back

The ion with the formula CO₃²⁻ is called carbonate.

Front

What is the difference between a monatomic ion and a polyatomic ion?

Back

A monatomic ion consists of a single atom with a charge, while a polyatomic ion consists of multiple atoms bonded together with an overall charge.

Front

What is the formula for phosphate?

Back

The formula for phosphate is PO₄³⁻.

Front

What is the name of the ion with the formula OH⁻?

Back

The ion with the formula OH⁻ is called hydroxide.

Front

Identify the formula for bicarbonate.

Back

The formula for bicarbonate is HCO₃⁻.

Front

What is the charge of the sulfate ion?

Back

The charge of the sulfate ion (SO₄²⁻) is -2.