Question

what is the mass of -
i) electron
ii) proton
iii) neutron ​

Answer 1

Answer:

An electron is a tiny particle with a mass of 9.108×10−28

g and a negative charge. All neutral atoms contain electrons. The mass of a proton is 1.6726×10 −24

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 1.675×10 −24 g. It is very close to that of the proton. A neutron carries no charge.

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Answer 2

Mass of

(I) electron: 9.1*10^-31 kg

(ii)proton: 1.672*10^-27 kg

(iii)neutron: 1.674*10-27 kg

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