Compare the properties of electrons, protons and neutrons.
Electron |
Proton |
Neutron |
|||
(i) |
Electrons are present outside the nucleus of an atom. |
(i) |
Protons are present in the nucleus of an atom. |
(i) |
Neutrons are present in the nucleus of an atom. |
(ii) |
Electrons are negatively charged. |
(ii) |
Protons are positively charged. |
(ii) |
Neutrons are neutral. |
(iii) |
The mass of an electron is considered to negligible. |
(iii) |
The mass of a proton is approximately 2000 times as the mass of an electron. |
(iii) |
The mass of neutron is nearly equal to the mass of a proton. |