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1 gen 1897 anni - Joseph John Thomson

Descrizione:

Used a CRT to determine the charge to mass ratio of an electron = 1.759 x 10^8 coulombs/grams; studied canal rays and found they were associated with the proton H+

Aggiunto al nastro di tempo:

Atomic Theory timeline

BySpencer Knight
14 feb 2019
0
0
374

Data:

1 gen 1897 anni
Adesso
~ 128 years ago

Immagini:

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