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1 janv. 1945 - Lanthanides and Actinides Identified

Description:

In 1945 Glenn Seaborg identified lanthanides and actinides (atomic number >92), which are usually placed below the periodic table.

Ajouté au bande de temps:

Chemistry Honors Assignment

ByAYLOR LUSZCZEK
1 oct. 2018

Date:

1 janv. 1945
Maintenaint
~ Il y a 79 ans
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