Question

What did Thomson contribute to the model of atom

Answer 1

Answer:

D.the electron

Answer 2

Answer;

Electrons

Explanation;

• Thomson contributed to the model of an atom by discovery of electrons and thus proving the existence of sub-atomic particles in an atom.
• Thomson used cathode ray tube, and demonstrated that cathode rays were negatively charged. According to his model normally known as the plum pudding in which he stated that an atom is composed of electrons as subatomic particles that are surrounded by positive charges to balance the electrons.