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oct 19, 1803 - John Dalton discovered the properties of atoms.
Description:
In 1803 John Dalton discovered that atoms of the same element have the same mass and properties. He called his theory Dalton's Atomic Theory
Added to timeline:
Atomic History
By
Danny DeVito
28 Sep 2018
0
0
330
Date:
oct 19, 1803
Now
~ 222 years ago
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