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Lanthanides & Actinides (1 Jan 1945 Jahr – 8 Mai 1945 Jahr)

Beschreibung:

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

Zugefügt zum Band der Zeit:

History of the Periodic Table

ByGeorge Rodriguez
25 Sep 2018
0
0
456

Datum:

1 Jan 1945 Jahr
8 Mai 1945 Jahr
~ 4 months and 7 days
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