Question

What is the difference between Electron, proton and Neutron ?




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Answer 1

Proton

Neutron

Electron

They are positively charged They are neutral They are negatively charged

They are present in the nucleus of all atoms They are present in the nucleus of all atoms except hydrogen They are present in the outer shells within an atom and orbit the positively charged nucleus in well-defined orbits

The mass of the proton is taken as one unit and equals the mass of a neutron The mass of the neutron is considered as one unit and it equals the mass of a proton The mass of an electron is about 1/2000 times the mass of a hydrogen atom

A proton is represented as “p” A neutron is represented as “n” An electron is represented as “e”

Answer 2

Electron:-1. Discovered By J.J Thompson.

2. Ii is negatively charged.

3.The number is equal to a number of protons.

4. mass of an electron is 9.1 x10-31 Kg.

proton:-1. Discovered By Emest Rutherford.

2.It is positively charged.

3.It is equal to the atomic number.

4. Mass of proton is 1.6727 x10-27 Kg.

Neutron:-1. Discovered By James Chadwick.

2. It is neutral and has no charge.

3.It may or may not be equal to proton.

4. Mass of neutron is 1.6750 x 10-27 Kg.