Question

Match the names of the scientists given in column - I with contributions towards the understanding of the atomic structure as given in column - II and choose the correct option from the codes given below:

Answer 1

A) Dalton - Dalton postulated that matter is made up of small particles called atoms and atoms are indivisible.

B) E. Goldstein - E. Goldstein discovered protons by conducting a canal rays experiment.

C) Moseley - Moseley did an x-ray experiment and concluded that the chemical properties are a periodic function of their atomic number.

D) James Chadwick discovered neutrons that have no charge.