J.J. Thomson (28 out 1898 ano – 28 out 1898 ano)

Descrição:

Discovered every atom has electrons outside the nucleus. This was discovered through a series of experiments designed to study the nature of electric discharge in a high-vacuum cathode-ray tube. Electrically charged plates and magnets as the evidence of "bodies smaller than regular atoms. This helped him discover electrons and how they are in all atoms.

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