Question
$z^{Y^A} \rightarrow z_{-2} Y^{A-4}+X_i$ Then $\mathrm{X}$ is

Answer

${ }_2 \mathrm{He}^4$ ( $\alpha$ decay).

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free