which of these best describes the self-sustaining process of fission with a critical mass of uranium-238?

Question

binding energy,or chain reaction,or alpha emission,, or gamma radiation, or radioactive

Answer 1

Chain reaction is the best description.

When a U238 nucleus is struck by a neutron, it splits, releasing energy and several more neutrons. These neutrons then strike other U238 nuclei, and the reaction rapidly grows out of control leading to an explosion.

Answer 2

chain reaction

Answer 3

chain rection