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23 дек 2012 г. - 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
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Tabla periodica
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YULIETH URIAN
21 авг 2021
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Дата:
23 дек 2012 г.
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~ 12 г назад
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