Thomson suggested that the electrons came out ofthe trace gas that was inside the cathode tube. Thus a new theory that atoms were made of tiny particles surfaced.
Thomson discovered the electrons and it was proved that atoms were made up of protons, electrons and neutrons. Thus
Thomson proved that the atom was divisible. Since the atom was neutral, Thomson suggested that the negatively charged electron equalled the positively charged proton and neutrons had no charges.Thomson suggested to consider the atom as a sphere. It has positively charged particles The positively chargedparticles is surrounded by the negatively charged electons.The electrons were placed there due to electrostatic forces.