Protons | Electrons | Neutrons |
They are positively charged particles. | They are negatively charged particles. | They are neutral particles. |
Charge on protons is +1. Mass of protons is 1.6727×10−27kg. | Charge on electrons is -1. Mass of electrons is 9.1×10−31 kg. | They have no charge. Mass of neutrons is 1.675×10−27 kg. |
Protons are present inside the nucleus. | Electrons are present outside the nucleus. They revolve around the nucleus. | Neutrons are present inside the nucleus. |