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2.3 Properties of materials

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Question 4

A chemist investigates the structures of graphite and buckminsterfullerene, C60\mathrm{C}_{60}C60​.

Which statement correctly compares their structures?

[1]
A

Graphite is a giant covalent structure, but buckminsterfullerene consists of molecules.

B

Graphite forms a rigid three-dimensional network, but buckminsterfullerene has flat sliding layers.

C

Graphite consists of molecules, but buckminsterfullerene is a giant covalent structure.

D

Graphite is made of cylindrical cages, but buckminsterfullerene is a continuous hexagonal sheet.

Markscheme

2.3 Properties of materials Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Properties of materials

122 exam-style questions on OCR GCSE Chemistry 2.3 Properties of materials, covering 2.3.1 Carbon bonding and the variety of organic compounds, 2.3.2 Diamond, graphite, fullerenes and graphene, 2.3.3 Bond strength, changes of state and predicting states, 2.3.4 Bulk properties and types of bonding, and 2.3.5 Nanoparticles: scale, surface area, uses and risks. Each one has a worked solution and a mark scheme showing where the marks go.

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