Chemical Bonding Review

Chemical bonds for so that atoms can obtain a ______ outer shell.

• Full

• Empty

• Half Full

• Half Empty

A full outer shell for an atom means it has __________ valence electrons.

• 3

• 4

• 5

• 8

An ionic bond invloves?

• a metal and a non metal

• two non metals

• two metals.

In an ionic bond, what happens to the electrons?

• They are transferred

• They are shared

• They disappear.

What must happen for an atom to become a cation?

• An atom must lose electrons.

• An atom must gain electrons.

• An atom must keep the same amount of electrons it started with,

What must happen for an atom to become a anion?

• An atom must lose electrons.

• An atom must gain electrons.

• An atom must keep the same amount of electrons it started with,

Atoms are naturally neutral because they have _______ number of electrons and protons.

• same

• different

A covalent bond forms when two or more atoms _______ there electrons.

• Share

• Transfer

A covalent bond forms between two _________

• Non Metals

• Metals

When the covalent bond H₂O is formed, it is forming a water ___________

• droplet

• molecule

• substance