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Who discovered the presence of negatively charged particles in an atom?

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An Intiative by Sri Chaitanya

J.J. Thomson

Eugen Goldstein

Jöns Jacob Berzelius

Niels Bohr

answer is A.

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Detailed Solution

J. J. Thomson discovered the existence of negatively charged particles called electrons in an atom in 1897. He performed experiments on the electrical conduction of gases through partially evacuated tubes, known as cathode ray discharge tube.

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