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Graphene And Fullerenes (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Graphene And Fullerenes' from the broader topic Bonding, Structure, And The Properties Of Matter. The test is geared towards the AQA exam board style syllabus.
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Which description best distinguishes graphene from graphite?
Which statement explains why graphene has a very large surface area per mass?
In a single layer of graphene each carbon atom is sp2 hybridised. What does sp2 hybridisation mean for the bonding?
Which property of graphene is mainly due to the delocalised electrons in its structure?
Which of the following correctly compares the types of bonding in graphene and in fullerenes?
Compared with diamond, graphene and graphite conduct electricity while diamond does not. What is the correct explanation?
Which of the following properties is shared by graphene and diamond?
How does the strength-to-weight ratio of graphene compare to many conventional materials?
Which of these statements about graphene’s thermal conductivity is correct?
Which experimental observation would best show that a substance is a graphene sample rather than a fullerene sample?
Why are fullerenes often soluble in organic solvents but not in water?