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1 jan 1945 ano - Lanthanides and Actinides Identified

Descrição:

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

Adicionado na linha do tempo:

Chemistry Honors Assignment

ByAYLOR LUSZCZEK

1 out 2018

0

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487

Data:

1 jan 1945 ano

Agora

~ 80 years ago

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