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WAEC Chemistry 2020 Objective — Question 34

Question 34 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

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Which of the following oxides has a giant covalent structure?

  • A. Al2O3
  • B. Na2O
  • C. P4O10
  • D. SiO2Correct

Explanation

Metallic oxides and SiO2 have giant structures, but SiO2 specifically has a giant covalent structure.

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