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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1817 anni - Johann Dobereiner noticed that elements of similar chemical properties are grouped together based on atomic weight.
Aggiunto al nastro di tempo:
Periodic Table Timeline
By
Jessica Maeda
16 dic 2017
0
0
544
Data:
1 gen 1817 anni
Adesso
~ 208 years ago
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