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29 dez 1855 ano - J.J. Thomson

Descrição:

Development of the Atomic Theory. In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.

Adicionado na linha do tempo:

Atomic Model

Byjefff
17 out 2017
0
0
531

Data:

29 dez 1855 ano
Agora
~ 169 years ago

Imagens:

Geo-tags:

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