Question

Thomson discovered that every substance in this universe is made up of ________ from his experiments.

(a) neutrons

(b) protons

(c) electrons

(d) mass

The question was asked by my college director while I was bunking the class.

This question is from Discovery of Sub-atomic Particles in portion Structure of Atom of Chemistry – Class 11

Answer 1

Correct answer is (c) electrons

For explanation I would say: Through cathode rays discharge tube experiments, he concluded that every substance in this universe is made up of electrons from his experiments. He observed how cathode rays move and the charge to mass ratio of it.