How does an electron differ from a neutron?
ELECTRON
1. Electrons are present outside the nucleus of an atom.
2. Electrons are negatively charged.
3. The mass of an electron is considered to be negligible.
4. They are spread around the nucleus
NEUTRON
1. Neutrons are present in the nucleus of an atom. Neutrons are neutral.
2. The mass of a neutron is nearly equal to the mass of a proton.
3. They are closely bound.