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jan 1, 1803 - John Dalton
Description:
He thought atoms were indestructible particles. He thought all matter was made up of them.He said different attoms for different elements were different.
Added to timeline:
Atom Timeline
By
AJ Bergman
5 Nov 2018
1
0
447
Date:
jan 1, 1803
Now
~ 223 years ago
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