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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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1 gen 1913 anni - 1913 - Renaming of brevium to protactinium Hahn and Lise Meitner discover residues of "brevium" (an element previously named by Kasimir Fajans and Oswald Göhring) in residues of pitchblende ore and suggest a new name for the element: "protoactinium" (now protactinium)

Aggiunto al nastro di tempo:

12 nov 2019
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0
282

Data:

1 gen 1913 anni
Adesso
~ 111 years ago