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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:

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Solution

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.

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