Ionic bonding review

How many VALENCE ELECTRONS does Chlorine have?

• 2

• 7

• 8

• 10

• 17

Ionic bonds are formed when electrons get

• Shared between two atoms

• Removed from both atoms

• Transferred from one atom to another

• Added to both atoms

How many valence electrons does Mg have? (use the PTable)

• 1

• 2

• 3

• 4

• 5

How many valence electrons does Po (Polonium) have? (Use your PTable)

• 2

• 4

• 6

• 8

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

Atoms are most stable when their outer shell is complete.

• True

• False

Why do elements form chemical bonds?

• Because they're friendly

• To create a new element

• To become stable

• Because they all need to gain more electrons

Cations _______ electrons, becoming _______ charged.

• Gain; positively (+)

• Gain; negatively (-)

• Lose; positively (+)

• Lose; negatively (-)

Anions ____ electrons, becoming _____ charged.

• Gain; positively (+)

• Gain; negatively (-)

• Lose; positively (+)

• Lose; negatively (-)

What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1