Valence Electrons and Ionic Bonds

Front

What is the chemical formula for potassium bromide?

Back

KBr

Front

Ionic bonds typically form between which types of elements?

Back

A metal and a nonmetal

Front

How are ionic bonds formed?

Back

When electrons are transferred from one atom to another.

Front

What is the charge of an aluminum atom with 13 protons and 10 electrons?

Back

Al^+3

Front

Why do ionic bonds form?

Back

To fill the outermost energy level to make the atom stable.

Front

What are valence electrons?

Back

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

Front

How many valence electrons does potassium (K) have?

Back

1 valence electron.

Front

What is the role of valence electrons in ionic bonding?

Back

They are transferred between atoms to form bonds.

Front

What happens to the charge of an atom when it loses an electron?

Back

It becomes positively charged.

Front

What happens to the charge of an atom when it gains an electron?

Back

It becomes negatively charged.