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1 gen 1897 anni - JJ Thomson- Discovery of Electrons

Descrizione:

-JJ Thomson discovers the electron, using properties of cathode rays and also found the charge to mass ratio of electrons.
-Proved Dalton's theory that atoms were invisible wrong.

Aggiunto al nastro di tempo:

16 ott 2017

Data:

1 gen 1897 anni
Adesso
~ 127 years ago