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

What is the charge of the cyanide ion (CN⁻)?

Back

The charge of the cyanide ion is -1.

Front

What is the formula for chromate?

Back

The formula for chromate is CrO₄²⁻.

Front

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

Back

The name of the ion with the formula NO₃⁻ is nitrate.

Front

What is the formula for potassium phosphate?

Back

The formula for potassium phosphate is K₃PO₄.

Front

What is the charge of the phosphate ion (PO₄³⁻)?

Back

The charge of the phosphate ion is -3.

Front

What is the name of Al(NO₃)₃?

Back

The name of Al(NO₃)₃ is Aluminum Nitrate.

Front

What is the formula for the hydroxide ion?

Back

The formula for the hydroxide ion is OH⁻.

Front

What is the charge of the carbonate ion (CO₃²⁻)?

Back

The charge of the carbonate ion is -2.

Front

What is the name of the ion with the formula SO₄²⁻?

Back

The name of the ion with the formula SO₄²⁻ is sulfate.