Ionic Bonding General

Front

What is the number of valence electrons in a bromine atom?

Back

7

Front

What is the formula for the compound formed by potassium (K) and sulfur (S)?

Back

K2S

Front

What happens to an atom when it gains electrons?

Back

It becomes negatively charged.

Front

What does a 2+ charge indicate about an atom?

Back

It has lost 2 electrons.

Front

What is the name of the compound Al2S3?

Back

Aluminum sulfide.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in bonding.

Front

How do ionic bonds form?

Back

Through the transfer of electrons from one atom to another.

Front

What is the charge of a potassium ion (K) when it loses one electron?

Back

1+.

Front

What is the charge of a sulfide ion (S) when it gains two electrons?

Back

2-.

Front

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

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.