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WAEC Chemistry 2019 Objective — Question 44

Question 44 of 50 from the West African Examinations Council (WAEC) Chemistry 2019 Objective paper, with the correct answer and a full explanation.

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One of the deductions from Rutherford's alpha particle scattering experiment is that

  • A. electrons are negatively charged
  • B. electrons have negligible mass
  • C. nuclei of atoms are negatively charged
  • D. Protons are positively chargedCorrect

Explanation

Rutherford's gold-foil experiment showed that atoms have a small, dense, positively charged nucleus, from which it was deduced that the nucleus (and its protons) is positively charged.

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