In the nuclear reaction ${ }_{85} X^{297} \rightarrow Y+4 \alpha, Y$ is
Answer & explanation
Correct answer: option 3
${ }_{85} X^{297} \rightarrow{}_{77} Y^{281}+4\left({ }_2 H e^4\right)$
In the nuclear reaction ${ }_{85} X^{297} \rightarrow Y+4 \alpha, Y$ is
Correct answer: option 3
${ }_{85} X^{297} \rightarrow{}_{77} Y^{281}+4\left({ }_2 H e^4\right)$