4. Structure Of Atoms
In 1932, Chadwick discovered the fundamental particle neutron. The neutron is a neutral particle found in the nucleus of an atom. The subatomic particle not present in a hydrogen atom is neutron. A hydrogen atom contains only one proton and one electron. A neutron is represented by the symbol n. Characteristics of a Neutron Mass of a neutron :
The mass of neutron is equal to the mass of a proton. The relative mass of a neutron is 1 u. The absolute mass of a neutron is 1.6 × 10–27
kg. Charge of an neutron :
Neutron has no charge. It is electrically neutral. Comparision between Proton, Neutron and Electron:
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