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How did J. J. Thomson describe the structure of an atom?

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a
A positively charged sphere is embedded with electrons.
b
A neutral sphere is embedded with electrons.
c
A positively charged sphere surrounded by electrons.
d
A sphere made of positive and negative particles.

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detailed solution

Correct option is A

According to J. J. Thomson, an atom consists of a positively charged sphere with electrons embedded in it. It is also known as the plum-pudding model.

 

The History of the Atomic Model: Thomson and the Plum Pudding

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