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9 ore 44 min, 16 ottob 2006 anni - there are 117 different elements. The most recent elements discovered are meitnerium, darmstadtium, and ununquadium.
Aggiunto al nastro di tempo:
History of the Periodic Table
By
lily heavner
3 ott 2017
0
0
432
Data:
9 ore 44 min, 16 ottob 2006 anni
Adesso
~ 17 years ago
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