The first model of an atom was given by

1. N. Bohr
2. E. Goldstein
3. Rutherford
4. J.J. Thomson

Correct Answer: (d) J.J. Thomson

Explanation: Thomson's atomic model was proposed by William Thomson in the year 1900.  It was strongly supported by Sir Joseph Thomson, who had discovered the electron earlier. Hence, the first model of an atom was given by Thomson. 

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Updated on: 19-Jan-2023

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