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How many neutrons are there in 92U238 atom ?

A. 92

B. 238

C. 146

D. 330

Answer: Option C

Solution (By Examveda Team)

The atomic number of uranium is 92, and the mass number of the isotope is given as 238. Therefore, it has 92 protons, 92 electrons, and 238 — 92 = 146 neutrons.

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