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1 gen 1917 anni - Objeven chemický prvek Protaktinium

Descrizione:

Jako první identifikovali protaktinium Kasimir Fajans a O. H. Göhring jako produkt rozpadu uranu 238U. Pojmenovali jej brevium podle krátké doby života.

Aggiunto al nastro di tempo:

Objevy 1917 - 1932

ByANNA
7 dic 2018
1
0
307

Data:

1 gen 1917 anni
Adesso
~ 107 years ago

Immagini:

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