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mar 20, 1897 - J.J. Thomson discovered the electron and created the plum pudding model.

Description:

Thomson discovered the electron by experimenting with a Crooks. The plum pudding had first shown that atoms had a positive and negative charge. These were named 'Proton and Electron.'

Added to timeline:

14 Sep 2017
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Atomic Theory Timeline
This is scientists that came up with some of the 'Atomic The...

Date:

mar 20, 1897
Now
~ 121 years ago

Images:

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