A) 89, 231, 89
B) 89, 89, 242
C) 89, 142, 89
D) 89, 71, 89
Correct Answer: C
Solution :
In \[Xe_{89}^{231}\] number of protons and electrons is 89 and No. of neutrons = A ? Z = 231 ? 89 = 142.You need to login to perform this action.
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