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jan 1, 1859 - Joseph John Thompson - Birth

Description:

- Discovered the electron
- From his experimental evidence, he believed that the atom was a solid positive sphere with electrons shoved into the side of it.
- Plum Pudding Model

Added to timeline:

10 Oct 2018
0
0
98
Atomic Theory Timeline

Date:

jan 1, 1859
Now
~ 162 years ago
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