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jan 1, 1897 - JJ Thomson

Description:

Discovered the electron
-Studying cathode ray tubes
-Electrons are negatively charged subatomic particles
-Attracted to positive plates in tube

Added to timeline:

Atomic Theory Timeline

ByDesire Gordon

29 Nov 2017

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403

Date:

jan 1, 1897

Now

~ 129 years ago

Images:

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