A) 237,93
B) 237,94
C) 221,84
D) 237,92
Correct Answer: B
Solution :
\[_{Z}^{A}X\,\to \,_{Z-1}^{A}Y+{{\beta }^{+}}\] \[_{Z-1}^{A}Y\,\to \,_{Z-5}^{A-8}\,M+2\,_{2}^{4}He\] \[A-8=229\,\,\Rightarrow \,\,A=\text{ }237\] \[Z-5=89\,\,\Rightarrow \,\,Z=94\]You need to login to perform this action.
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