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1 gen 1809 anni - 47 elements were discovered
Descrizione:
In 1809, at least 47 elements were discovered by scientists. They began to see patten in the elements.
Aggiunto al nastro di tempo:
The Historical Development of the Period Table
By
Joshua Martin
20 gen 2020
0
0
214
Data:
1 gen 1809 anni
Adesso
~ 215 years ago
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