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1829 - Dobereiner (dec 22, 1828 – feb 11, 1835)

Description:

Dobereiner discovered the existence of families of elements with similar chemical properties he called them triads.

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Periodic Table

ByJulia Stephan
9 Dec 2019
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Date:

dec 22, 1828
feb 11, 1835
~ 6 years
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