Question

$\begin{array}{c}180\\ 72\end{array}X\stackrel{2\alpha }{\to }\stackrel{\beta }{\to }\stackrel{\gamma }{\to }\begin{array}{c}A\\ Z\end{array}{X}^{\prime }$.Z and A are

• A. 69, 172
• B. 172, 69
• C. 180, 70
• D. 182, 68

Answer 1

The correct option is A 69, 172

$\begin{array}{c}180\\ 72\end{array}X\stackrel{2\alpha }{\to }\begin{array}{c}172\\ 68\end{array}P\stackrel{\beta }{\to }\begin{array}{c}172\\ 69\end{array}Q\stackrel{\gamma }{\to }\begin{array}{c}172\\ 69\end{array}X$.