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jan 1, 1904 - JJ Thomson's Atomic Theory

Description:

In 1904, Thomson created a model called the "Plum Pudding Model." This model consisted of a spherically shaped atom composed of uniformly distributed positive charge in which the negatively charged electrons resided. He created this model after experimenting with a cathode ray tube to find that electrons were negative.

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atomic theory 3

Date:

jan 1, 1904
Now
~ 114 years ago

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