what is a electrone?? vikas 1150 id
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electron, lightest stable subatomic particle known. ... Under ordinary conditions electrons are bound to the positively charged nuclei of atoms by the attraction between opposite electric charges. In a neutral atom the number of electrons is identical to the number of positive charges on the nucleus.
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Electron is the lightest stable subatomic particle. It has a negative charge that is the basic unit of the electric charge. The mass of an electron at rest is 9.10938356 x 10-31 kg that is only 1/1,836 the mass of a single proton.
Therefore, we consider an electron nearly massless while comparing with a proton or a neutron. It does not include the electron mass in the calculation of the mass number of an atom.
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