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1 ene 1913 año - 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)

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Otto Hahn

ByRobbie Winfield
12 nov 2019
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1 ene 1913 año
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~ 112 years ago
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