Question

Who first proposed the 'Atomic theory of matter'?
1. Rutherford
2. Niels Bohr
3. J.J. Thomson
4. John Dalton

Answer 1

Correct Answer - Option 4 : John Dalton

The Correct Answer is John Dalton.

• John Dalton was born on September 5 or 6, 1766, in Eaglesfield, Cumberland, England.
• English meteorologist and chemist, a pioneer in the development of modern atomic theory. 

• Ernest Rutherford was a New Zealand physicist who came to be known as the father of nuclear physics. Encyclopædia Britannica considers him to be the greatest experimentalist since Michael Faraday. 
• Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.
• Sir Joseph John Thomson was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered.