1. Review – What have you learned?

2. QUESTION ONE
Which one of these is an ion? C
Cl2 D
H2O A Na B
Na+

3. QUESTION TWO
What is the mass number of magnesium? 24 Mg 12 B 36 A 24 C 12

4. QUESTION THREE
How many PROTONS does magnesium have? 24 Mg 12 B 36 C 12 A 24

5. QUESTION FOUR
How many ELECTRONS does Magnesium have? 24 Mg 12 B 36 A 24 C 12

6. Between 2 non-metal atoms Between metal and a non-metal atoms
QUESTION FIVE
When does ionic bonding happen? A
Between 2 metal atoms B
Between 2 non-metal atoms C
Between metal and a non-metal atoms

7. C A B QUESTION SIX They are transferred from one atom to another
What happens to electrons during ionic bonding? C
They are transferred from one atom to another A
They are shared between the 2 atoms B
Each atom takes only one electron each