Question

In the nuclear reaction $85X^{297} \rightarrow Y + 4\alpha,\mspace{6mu} Y$is.

• A. $76Y^{287}$
• B. $77Y^{285}$
• C. $77Y^{281}$
• D. $77Y^{289}$

Answer 1

Answer: (C)

$77Y^{281}$

Answer 2

$85X^{297} \rightarrow_{77} ⥂ Y^{281} + 4\left( 2 ⥂ He^{4} \right)$