1 янв 1897 г. - J. J. Thomson

Описание:

J.J. Thomson was a very important scientist when it came to the atomic model. Up until his time, all models of the atom looked like a big solid ball. J.J. Thomson discovered the electron, which led him to create the "plum pudding" atomic model. In this model, he thought that the atom was mostly positive, and negative electrons wandered around the atom. The "plum pudding" model influenced other scientists to make better atomic models.

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