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Post-UTME Chemistry 2011 Objective — Question 10

Question 10 of 11 from the Post-UTME Screening (Post-UTME) Chemistry 2011 Objective paper, with the correct answer and a full explanation.

The number of neutrons contained in the nucleus of U-92-238 is

A. 92
B. 146Correct
C. 238
D. 330

Explanation

Neutrons = mass number - atomic number = 238 - 92 = 146.

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