Valence Electron Practice

Front

What ion does Magnesium form?

Back

Mg⁺², loses 2 electrons, it has 2 more protons than electrons.

Front

What is the charge on a sodium ion (Na) after it loses one electron?

Back

+1

Front

How many electrons does Al (Aluminum) want to gain or lose to complete the octet rule?

Back

It wants to lose 3 electrons.

Front

How many valence electrons do atoms want to be stable?

Back

8

Front

What is the best definition of valence electrons?

Back

The outermost electrons involved in chemical reactions.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that can participate in chemical bonding.

Front

Why do atoms form ions?

Back

To achieve a stable electron configuration, often by gaining or losing valence electrons.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight valence electrons.

Front

How many valence electrons does Sodium (Na) have?

Back

1

Front

What happens to an atom when it loses an electron?

Back

It becomes a positively charged ion (cation).