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dec 30, 1913 - Henery Mosley rearranged the table.

Description:

He re ordered them by atomic number, rather then weight because he found it to be a much better "fit."
https://www.sciencelearn.org.nz/resources/1804-development-of-the-periodic-table

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Chemistry Project

ByAaron
1 Oct 2018
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Date:

dec 30, 1913
Now
~ 111 years ago
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