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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 gen 1911 anni - Protactinium, known as brevium, is discovered. "Celtium" is erroneously discovered.
Aggiunto al nastro di tempo:
Timeline of the Big Science
By
Thomas Jacobs
17 apr 2021
0
0
528
Data:
1 gen 1911 anni
Adesso
~ 114 years ago
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