Electron is a subatomic particle having a unit negative charge (-1.602 x 10-19coulombs) and a mass (9.11 x 10-31 kg) which is 1/1837 of that of a hydrogen atom.
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What is a neutron?
A neutron is a subatomic particle which is a fundamental constituent of matter having mass (1.675X10-27 kg) approximately equal to the hydrogen atom and which is electrically neutral.
What is the name of the remaining part of atom except outer orbit?
It is called core.
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Who discovered neutron?
James Chadwick.
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What is a proton?
Proton is a subatomic particle of an atom having a unit positive charge (1.602x10-19 coulombs) and a mass (1.67x 10-27 kg) which is practically the same as that of a hydrogen atom.
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