1 janv. 1913 - 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)
Ajouté au bande de temps:
Date:
1 janv. 1913
Maintenaint
~ Il y a 111 ans
