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1 ene 1923 año - Objeven chemický prvek Hafnium

Descripción:

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

Añadido al timeline:

Objevy 1917 - 1932

ByANNA
7 dic 2018

fecha:

1 ene 1923 año
Ahora mismo
~ 101 years ago

Fotos:

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