neutron

Definition

A subatomic particle found in the nucleus of an atom, with no electric charge and mass slightly greater than a proton. It plays a key role in nuclear reactions.

Español Partícula subatómica sin carga eléctrica que se encuentra en el núcleo de un átomo, con masa ligeramente mayor que un protón.

Example

"The release of neutrons during fission is what sustains a nuclear chain reaction."