A) 83
B) 72
C) 216
D) 228
Correct Answer: C
Solution :
Decrease in mass number due to emission of 3a-partides and p -particles \[=3\times 4=12\] Decrease in change number in the process \[=3\times 2-1=5\] Therefore, \[A=228-12=216\]You need to login to perform this action.
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