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jan 6, 1869 - Dmitri Mendeleev

Description:

Arranged elements into 7 groups with similar properties. He discovered that the properties of elements "were periodic functions of the their atomic weights". This became known as the Periodic Law.

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Scientific method of atom

ByNashua Lovett
11 Dec 2018
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Date:

jan 6, 1869
Now
~ 157 years ago
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