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/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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190790
2

1 gen 1869 anni - Mendeleyev

Descrizione:

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.

Aggiunto al nastro di tempo:

Data:

1 gen 1869 anni
Adesso
~ 155 years ago