Question

There are two atoms A and B. The atomic number of A is $116$ and the atomic number of B is $29$. Which of them is more capable of undergoing nuclear fission reaction?

• A. Only B
• B. Only A
• C. Both A and B
• D. Neither A nor B

Answer 1

Answer: (B)

Only A

The bigger nuclei are unstable as compared to smaller nuclei. These nuclei have a larger tendency to disintegrate into smaller stable nuclei. As A has bigger nucleus than B, it is more likely to undergo nuclear fission reaction.