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Structure of the Atom — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
The first model of an atom was given by:
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Answer

  1. J.J. Thomson.
Explanation:
The first model of an atom was given by JJ Thomson. According to him, an atom consists of a sphere of positive charge with negatively charged electrons embedded in it.

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