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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

ByAdam Polacarz

13 Oct 2017

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Date:

jan 1, 1887

Now

~ 139 years ago

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