Polyatomic Ions Review

Front

The elements on the left side of the periodic table are generally always ______.

Back

cations; the elements on the right side of the periodic table are generally always anions.

Front

What is the name of the compound NH₄NO₃?

Back

ammonium nitrate.

Front

What is the name of Na₂SO₄?

Back

sodium sulfate.

Front

Which of the following is phosphate?

Back

PO₄⁻³.

Front

Which of the following is hydroxide?

Back

OH⁻.

Front

Define polyatomic ion.

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded, that can act as a single unit in chemical reactions.

Front

What is the charge of the sulfate ion (SO₄)?

Back

The sulfate ion has a charge of -2.

Front

List three common polyatomic ions and their charges.

Back

1. Ammonium (NH₄⁺), 2. Nitrate (NO₃⁻), 3. Carbonate (CO₃²⁻).

Front

What is the formula for the nitrate ion?

Back

NO₃⁻.

Front

What is the formula for the carbonate ion?

Back

CO₃²⁻.