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17 giug 1832 anni - Sir William Crooke demonstrated that atoms had negative charges.

Descrizione:

He utilized cathode ray tubes to discover negative charges, and, by association, the electron.

Aggiunto al nastro di tempo:

Timeline of Atomic Theory

18 ott 2018

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Data:

17 giug 1832 anni

Adesso

~ 193 years ago

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