WAEC Physics 2016 Objective — Question 46
Question 46 of 50 from the West African Examinations Council (WAEC) Physics 2016 Objective paper, with the correct answer and a full explanation.
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46. How many beta particle(s) are emitted in the radioactive decay of ⁱ⁹⁸₇₉Au → ⁱ⁹⁸₈₀Hg? A. 1 B. 2 C. 3 D. 5
- A. 1Correct
- B. 2
- C. 3
- D. 5
Explanation
By conservation of mass number and applying the beta decay equation, 1 beta particle is emitted.
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