Post-UTME Physics 2008 Objective — Question 10
Question 10 of 10 from the Post-UTME Screening (Post-UTME) Physics 2008 Objective paper, with the correct answer and a full explanation.
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What is the number of neutrons in the uranium isotope ²³⁸U (Z=92)?
- A. 92
- B. 146Correct
- C. 238
- D. 330
Explanation
Neutrons = mass number - protons = 238-92 = 146.
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