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

What is the charge of the hydroxide ion?

Back

The hydroxide ion (OH⁻) has a charge of -1.

Front

What is the formula for the sulfate ion?

Back

The formula for the sulfate ion is SO₄²⁻.

Front

What is the name of the ion with the formula NO₃⁻?

Back

The ion with the formula NO₃⁻ is called nitrate.

Front

What is the formula for the carbonate ion?

Back

The formula for the carbonate ion is CO₃²⁻.

Front

What is the charge of the phosphate ion?

Back

The phosphate ion (PO₄³⁻) has a charge of -3.

Front

What is the correct formula for the chlorate ion?

Back

The correct formula for the chlorate ion is ClO₃⁻.

Front

What is the name of Mg(OH)₂?

Back

Mg(OH)₂ is called magnesium hydroxide.

Front

Is C₂O₆²⁻ a valid polyatomic ion?

Back

No, C₂O₆²⁻ is not a valid polyatomic ion.

Front

What is the formula for the nitrite ion?

Back

The formula for the nitrite ion is NO₂⁻.