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jan 1, 1897 - Thompson

Description:

Discovers the electron, first to include negatively charged particles in the model of the atom

Model description: Chocolate chip cookie or plum pudding (electrons dispersed among a uniformly packed sphere of positively charged particles)

Added to timeline:

Atomic Models Throughout History

Bythrowawaylol47
13 Nov 2018
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Date:

jan 1, 1897
Now
~ 128 years ago

Images:

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