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dec 18, 1857 - J.J. Thomson

Description:

J.J Thomson was born on December 18, 1856 in Cheetham Hill, England. On April 30, 1897, JJ Thomson made his first discovery of the atom. Thomson added that the atom is a positively charged sphere with negatively charged electrons in them. Thomson's discovery was important because it was like the "next step" into finding more about the atom.

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Timeline of the History of the Atomic Theory

Bypoi
9 months ago
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Date:

dec 18, 1857
Now
~ 167 years ago

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