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Chemistry · May / June 2020 · Paper 11 · Question 11

5070Simple molecules and covalent bonds

The dot-and-cross diagrams for four compounds are shown. Which diagram is correct? (Note that only the outer shell electrons are shown.)

  1. ADiagram A (CH4)
  2. BDiagram B (C2H4)
  3. CDiagram C (CO2)
  4. DDiagram D (HCl)

As printed in the paper

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Correct answer: A. Diagram A (CH4)

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