1. Graphene is best described as:

a) A new type of plastic
b) An allotrope of carbon
c) A new and exciting alloy
d) A compound which contains only the element carbon

2. Graphene was first isolated from which material?

a) Diamond
b) Buckminsterfullerene
c) Carbon nanotubes
d) Graphite

3. Carbon atoms in graphene are arranged in layers of?

a) Pentagons
b) Hexagons
c) Octagons
d) Heptagons

4. In graphene each carbon atom forms strong covalent bonds.

5. The excellent electrical conductivity of graphene is due to the presence of electrons within the lattice of atoms which are held in place by strong covalent bonds.

6. Which of the following is not a property of graphene?

a) Excellent thermal conductor
b) Highly flexible
c) Transparent
d) Magnetic

7. Graphene could improve batteries by:

a) Increasing their weight
b) Decreasing their charge capacity
c) Reducing their recharge times
d) Decreasing their flexibility

8. When used in composite materials graphene could improve their performance by making them:

a) Stronger and lighter
b) Weaker and heavier
c) More brittle
d) Less conductive

9. Graphene is being researched as a possible material for use in solar cells because it is able to convert solar or light energy into energy.

10. A current limitation on the wide scale use of graphene is:

a) Its lack of flexibility
b) Its low strength to weight ratio
c) Its poor electrical conductivity
d) The high costs of large scale production and high quailty production problems