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2.3 Structure and bonding of carbon

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Question 7

A researcher uses a computer model to investigate the bonding in diamond. The model tracks the four outer-shell electrons of one carbon atom while a force acts on the crystal.

Which statement explains how these electrons help to keep the carbon atom in a fixed position?

[1]
A

The four electrons are all shared with the same neighbouring carbon atom in a covalent bond.

B

Each electron is shared with a different neighbouring carbon atom, forming four strong covalent bonds.

C

The four electrons become delocalised and move freely through the diamond crystal.

D

The four electrons remain unshared and create weak forces between neighbouring carbon atoms.

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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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