Compare the properties of electrons

Solution:

Electron

(i) Electrons are present outside the nucleus of an atom.

(ii) Electrons are negatively charged.

(iii) The mass of an electron is considered to be negligible.

Proton

(i) Protons are present in the nucleus of an atom.

(ii) Protons are positively charged.

(iii) The mass of a proton is approximately 2000 times as the mass of an electron

Neutron

(i) Neutrons are present in the nucleus of an atom.

(ii) Neutrons are neutral.

(iii) The mass of neutron is nearly equal to the mass of a proton.