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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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1 ene 1869 año - Mendeleyev

Descripción:

Arranged the order of elements in order of increasing relative atomic mass.
Successfully predicted the properties of 3 elements which were not discovered by the moment.

Añadido al timeline:

fecha:

1 ene 1869 año
Ahora mismo
~ 156 years ago