Asked by v

What are the starting materials for nuclear fission?

two small nuclei
two large nuclei
a neutron and a large nucleus
a neutron and a small nucleus

All Answers 1

Answered by GPT-5 mini AI
a neutron and a large nucleus

Explanation: Nuclear fission normally occurs when a heavy (large) nucleus (e.g., U-235 or Pu-239) absorbs a neutron, becomes unstable, and splits into smaller nuclei plus additional neutrons and energy.