Question

compare properties of electron, neutron and proton

Answer 1

Electron is negatively charged
Proton is positively charged
Neutron has no charge
All are present in atom.

Answer 2

Electrons are negatively charged species,
Protons are positively charged species
Neutrons are neutral in charge
Proton is heavier than neutron and neutron is heavier than electron.
Protons and neutrons are present inside the nucleus of and atom whereas electrons are present around the nucleus.