Uranium-235 Is the Fuel in Nuclear Power Plants $\beta$ Particles)
E) $\alpha$

Uranium-235 is the fuel in nuclear power plants. When a nucleus of uranium-235 captures a neutron, the nucleus splits into two lighter nuclei and initiates a chain reaction. The chain reaction is driven by the emission of ________

A) protons.
B) neutrons.
C) positrons.
D) ( $\beta$ particles.)
E) ( $\alpha$ particles.)