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Question

The mass of electron, proton and neutron in grams are :

A

B

C

D

Medium

Solution

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Correct option is
D

An electron is a tiny particle with a mass of g and a negative charge. All neutral atoms contain electrons. The mass of a proton is g, or about 1836 times the mass of an electron. The proton carries a positive electrical charge, that is equal in magnitude to the charge of the electron but opposite in sign. Mass of a neutron is g. It is very close to that of the proton. A neutron carries no charge.

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