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dec 29, 1903 - 1904- J.J Thompson

Description:

PLUM PUDDING MODEL

He discovered the an electron, the first subatomic particle to be discovered. He proposed the model of Plum Pudding, which consists of electrons scattered in positive soup.

Added to timeline:

History of Atomic Model

ByCindy Vo
10 Feb 2020
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Date:

dec 29, 1903
Now
~ 121 years ago
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