Practice Test Part 2

Front

What is the electron configuration of Al⁺³?

Back

The electron configuration of Al⁺³ is 1s² 2s² 2p⁶.

Front

How many electrons does an Al⁺³ ion have?

Back

An Al⁺³ ion has 10 electrons.

Front

What is the electron configuration of Fe³⁺?

Back

The electron configuration of Fe³⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵.

Front

What happens to an atom that gains 2 electrons?

Back

An atom that gains 2 electrons becomes negatively charged.

Front

What is the ionic compound formed between potassium (K) and fluorine (F)?

Back

The ionic compound formed between K and F is KF.

Front

Why do atoms get larger as you move down the periodic table?

Back

Atoms get larger as you move down the periodic table because they have more energy levels.

Front

What is the charge of an Al ion with a +3 oxidation state?

Back

The charge of an Al ion with a +3 oxidation state is +3.

Front

What is the significance of the octet rule in ionic bonding?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is the formula for the ionic compound formed between magnesium (Mg) and oxygen (O)?

Back

The formula for the ionic compound formed between Mg and O is MgO.

Front

What is the electron configuration of a neutral iron (Fe) atom?

Back

The electron configuration of a neutral iron (Fe) atom is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s².