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 hydroxide ion (OH⁻)?

Back

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

Front

What is the formula for ammonium?

Back

The formula for ammonium is NH₄⁺.

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 sulfate?

Back

The formula for sulfate is SO₄²⁻.

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 charge of the phosphate ion (PO₄³⁻)?

Back

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

Front

What is the name of the ion with the formula C₂H₃O₂⁻?

Back

The ion with the formula C₂H₃O₂⁻ is called acetate.

Front

What is the formula for the chromate ion?

Back

The formula for the chromate ion is CrO₄²⁻.

Front

What is the name of the ion with the formula ClO₃⁻?

Back

The ion with the formula ClO₃⁻ is called chlorate.