Ionic Bonding

Question 1

Why do elements react?

Answer 1

to achieve a full outer energy shell and become stable

Question 2

Explain ionic bonding between a metal and a non-metal?

Answer 2

• metal atom transfers one or more electrons to the non-metal atom to form stable ions
• metal will become a positive ion and non-metal will become a negative ion
• strong electrostatic forces of attraction between oppositely charged ions
• known as Ionic bonding

Question 3

Why are ionic compounds solid at room temp?

Answer 3

strong forces of attraction require lots of energy to overcome the bonds

Question 4

What is the charge of Group 2 elements?

Answer 4

+2

Question 5

Why do Group 0 elements not form ions?

Answer 5

they have a full outer energy shell so do not need to lose or gain electrons

Question 6

Describe the particle movement in a solid?

Answer 6

particles are closely packed together and cannot move. They vibrate around in their fixed positions.

Question 7

Describe the particle movement in a liquid?

Answer 7

particles are close together but can slip and slide over each other.

Question 8

Describe the particle movement in a gas?

Answer 8

particles have lots of space between them and can move around in high speeds in random directions

Question 9

What is a giant lattice structure?

Answer 9

• contains positively charged metal ions are negatively charged non-metal ions
• strong electrostatic forces of attraction between the oppositely charged ions

Question 10

Explain what will happen a magnesium and fluorine atom react?

Answer 10

Mg atom will transfer 2 electrons and become a positive ions

F atoms will each gain 1 electron and become a negative ion

Question 11

Why cannot ionic compounds not conduct electricity?

Answer 11

ions are in fixed positions so cannot move around and carry the charge

Question 12

Why can ionic compounds conduct electricity when molten?

Answer 12

ions can move around and carry charges conduct electricity