alleryThe first model of the atom was proposed by:
AJ. J. Thomson
BErnst Rutherford
CNiels Bohr now
DJohann Balmer
Answer & Solution
Correct answer: A. J. J. Thomson
1. Electrons had just been identified in gas discharge work.
2. A picture of how they sit in the atom was needed.
3. J. J. Thomson proposed the first model in 1898.
_Source: syllabus Physics Part II, Chapter 12, Atoms._
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