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2.3 Structure and bonding of carbon

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Question 9

An electrical contact is made from material X. Material X is a single flat sheet of carbon atoms arranged in hexagonal rings and is one atom thick.

A manufacturer considers replacing material X with material Y. Material Y is a giant structure made only of carbon atoms. Each carbon atom in material Y forms four covalent bonds with four neighbouring carbon atoms.

Name material X. Explain why electrical charge can pass through material X and justify whether material Y could replace material X in the electrical contact.

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2.3 Structure and bonding of carbon Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Structure and bonding of carbon

68 exam-style questions on AQA GCSE Chemistry 2.3 Structure and bonding of carbon, covering 2.3.1 Diamond, 2.3.2 Graphite, and 2.3.3 Graphene and fullerenes. Each one has a worked solution and a mark scheme showing where the marks go.

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