WAEC Chemistry 2021 Objective — Question 40
Question 40 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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40. Protons and electrons are called fundamental particles because they
- A. are indivisible.Correct
- B. have different charges.
- C. are the lightest particles.
- D. are found in all matter.
Explanation
They were historically considered fundamental (indivisible) particles, though protons are now known to be made of quarks.
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