Simple And Giant Covalent Molecules

Question 1

• How many atoms does a simple molecule have?

Answer 1

• A simple molecule has only a few atoms held together by covalent bonds.
• The covalent bond may be strong but the intermolecular forces are weak.

Question 2

• Properties of a simple molecule.

Answer 2

• Low boiling and melting point.

- Doesn’t conduct electricity.

Question 3

• How many atoms does a giant covalent structure contain?

Answer 3

• A giant covalent structure contains many atoms adjacently joined together by covalent bonds.

Question 4

• Properties of a giant covalent structure?

Answer 4

• High melting and boiling points.

- Variable conductor of electricity.

Question 5

• What are the two carbon forms of giant covalent structure?

Answer 5

• Diamond and graphite.

Question 6

• Why is graphite a good conductor of electricity?

Answer 6

• Due to the delocalised electron or spare electron in graphite it allows it to conduct electricity.

Question 7

• Why is diamond rough and not a conductor of electricity?

Answer 7

• Diamond is not a conductor of electricity because it does not have the delocalised electron and due to that it causes it to be very hard and to have a high melting point.