A) Z = 80, A = 207
B) Z = 82, A = 208
C) Z = 92, A = 209
D) Z=90, A=207
Correct Answer: B
Solution :
Decrease in mass number due to\[6a=6\times 4=24\]. Decrease in change number due to \[6\alpha =6\times 2=12\] Increase in change number due to four\[\beta =4\] \[\therefore \]Net mass number\[=232-24=208\] Net atomic number\[=90-12+4=82\]You need to login to perform this action.
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