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WAEC Chemistry 2021 Objective — Question 50

Question 50 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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50. Which of the following scientists discovered the electron?

  • A. Joseph J. ThompsonCorrect
  • B. James Chadwick
  • C. Amedeo Avogadro
  • D. Ernest Rutherford

Explanation

J.J. Thomson discovered the electron; Chadwick discovered the neutron and Rutherford discovered the nucleus.

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