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WAEC Chemistry 2021 Objective — Question 29

Question 29 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.

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29. The Bohr model of the atom proposed

  • A. the existence of the nucleus.
  • B. electron shells.Correct
  • C. nucleons.
  • D. neutrons.

Explanation

Bohr's model introduced the idea of electrons occupying fixed, quantized energy shells around the nucleus.

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