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Chemistry · May / June 2021 · Paper 11 · Question 7

5070Giant covalent structures

The diagrams show the structures of two solids, P and Q. Which row is correct?

  1. Ahas covalent bonding: P only; conducts electricity: P only
  2. Bhas covalent bonding: P only; conducts electricity: Q only
  3. Chas covalent bonding: both P and Q; conducts electricity: P only
  4. Dhas covalent bonding: both P and Q; conducts electricity: Q only

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Correct answer: D. has covalent bonding: both P and Q; conducts electricity: Q only

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