A) 76
B) 78
C) 82
D) 74
Correct Answer: B
Solution :
Since, \[8\alpha -\]particles \[4{{\beta }^{-}}-\]particles and \[2{{\beta }^{+}}-\]particles are emitted, so new atomic number \[Z=Z-8\times 2+4\times 1-2\times 1\] \[=92-16+4-2\] \[=92-14\] = 78You need to login to perform this action.
You will be redirected in
3 sec