68. How many neutrons are there in 92U238 atom ? A.92 B.23868. How many neutrons are there in 92U238 atom ? A.92 B.238 C.146 D.330 C.146 D.330
Answer: Option C Solution: 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.
