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23 dic 2012 anni - El ununseptio era el elemento químico con mas protones que quedaba por confirmar, pero no es el más pesado de la tabla periódica que es el ununoctio, con 118 protones
Aggiunto al nastro di tempo:
Tabla periodica
By
YULIETH URIAN
21 ago 2021
0
0
248
Data:
23 dic 2012 anni
Adesso
~ 12 years ago
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