Nuclear fission occurs when a neutron strikes the nucleus of a uranium-235 atom. The illustration models the chain reaction that can result.
Which statement describes how a chain reaction results from the nuclear fission of uranium-235?
A. It takes enormous amounts of heat to get the reaction started
B. It uses a type of nuclear fuel that has a very short half-life.
C. It produces an enormous amount of energy in the form of heat.
D. It produces neutrons that strike other nuclei and cause more
nuclear fission reactions.
The correct answer is D. It produces neutrons that strike other nuclei and cause more nuclear fission reactions.