Ionic Bonding

Ionic bonds are formed between...

• Non - metals

• A metal and a non-metal

• Metals

To form a charge of +2 an atom must _ electrons.  To form -3 it must _ electrons.

• Gain 2; Lose 3
• Gain 3; Lose 2
• Lose 2; Gain 3
• Lose 3; Gain 2

A cation is a ____ ion.

• negative
• positive
• neutral
• ficticious

A anion will be a ____ ion.

• negative
• positive
• neutral
• ficticious

Calcium, Ca, has the electron configuration 2-8-8-2. It will ____ valence electrons when forming an ionic bond.

• lose 4

• gain 4

• lose 2

• gain 2

Aluminum, Al, has the electron configuration 2-8-3. It will ____ valence electrons when forming an ionic bond.

• lose three

• gain three

• lose 5

• gain 5

Sulfur, S, has the electron configuration 2-8-6. It will ____ valence electrons when forming an ionic bond.

• gain 1

• lose 1

• gain 2

• lose 2

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

Which of the following would produce an anion?

• Ca
• Al
• K
• F

If the electron configuration for oxygen is 2-6, then this is a correct dot diagram for oxygen (O)

• true

• false