When an atom gains an electron, it becomes a:

Ionic bonds form between a

Covalent bonds form between a

According the "Octet rule", how many valence electrons does an atom need to have a stable electron configuration?

Which group in the periodic table has elements with a stable electron structure? (Full outer shell)

H and He are exceptions to the Octet Rule. How many electrons can they have in their outer shell?

How does Lithium become an ion?

How does Fluorine become an ion?

When a bond is formed, energy is _____________.

When a bond is broken, energy is _____________.

All chemical bonds involve

In an Ionic bond, electrons _______________ between atoms.

In Covalent bond, electrons _______________ between atoms.

In Metallic bond, electrons _______________ between atoms.