Neutron 02


Neutron 02 : (Phys; Symb: n) An uncharged elementary particle with a mass slightly greater than that of the proton, found in the nucleus of every atom heavier than hydrogen. A free neutron is unstable and decays with a half-life of about 13 minutes into an electron,proton, and neutrino. Neutrons are effective atomic projectiles for the bombardment of nuclei and are used to sustain the fission chain reaction in a nuclear reactor. See: Fast Intermediate Neutron; Thermal Neutron.
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