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1 gen 1923 anni - Objeven chemický prvek Hafnium

Descrizione:

Hafnium bylo objeveno v dánském hlavním městě Kodani, podle jehož latinského jména bylo také pojmenováno. Objeviteli byli chemici Dirk Coster a George de Hevesy.

Aggiunto al nastro di tempo:

Objevy 1917 - 1932

ByANNA
7 dic 2018
1
0
307

Data:

1 gen 1923 anni
Adesso
~ 101 years ago

Immagini:

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