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23 magg 1869 anni - Dmitri Mendeleev

Descrizione:

Classified 63 elements arranging them in ascending order of atomic weight and grouping them by similarity of properties.

Aggiunto al nastro di tempo:

Atomic History_LaFuente

3 ott 2018

0

0

435

Data:

23 magg 1869 anni

Adesso

~ 156 years ago

Immagini:

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