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jan 1, 1863 - Elements Become Organized

Description:

In 1863 English chemist John Newlands divided the then discovered 56 elements into 11 groups, based on characteristics.

Added to timeline:

Chemistry Honors Assignment

ByAYLOR LUSZCZEK

1 Oct 2018

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Date:

jan 1, 1863

Now

~ 162 years ago

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