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jan 15, 1829 - Law of Triads

Description:

In 1829, Döbereiner, who grouped elements based on similarities. He announced his law of triads, which leads us to his invention of three chemically similar elements grouped together in which the properties of the middle element could be inferred from the lighter and heavier ones.

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History of the Periodic Table - 10

ByTyler
15 Oct 2018
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Date:

jan 15, 1829
Now
~ 196 years ago
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