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2. Atomic number of uranium is 92. Its mass number is 238u. The number of neutrons present in oneatom of uranium is(a) 146(b) 136(c) 92(d) 238 |
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Answer» a. 146 Explanation: ATOMIC no. = no. of PROTONS = 92 mass no. = no. of protons + no. of neutrons 238 = 92 + n 238-92 =n so, n=146 |
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