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23 Dez 2012 Jahr - 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
Zugefügt zum Band der Zeit:
Tabla periodica
By
YULIETH URIAN
21 Aug 2021
0
0
248
Datum:
23 Dez 2012 Jahr
Jetzt
~ 12 years ago
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