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jan 1, 1887 - Henry Moseley (1887-1915)
Description:
Henry Moseley discovered the atomic number of each element using x-rays, which led to more accurate organization of the periodic table.
Added to timeline:
Atomictheory
By
Adam Polacarz
13 Oct 2017
0
0
557
Date:
jan 1, 1887
Now
~ 138 years ago
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