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26 fev 1789 ano - First Extensive Element List (Moseley)

Descrição:

Made the first extensive element list, of 33, separating metals from nonmetals. Discovered Oxygen and Hydrogen.

Divided them into four different groups. With the few elements that were known at the time.

Adicionado na linha do tempo:

Data:

26 fev 1789 ano
Agora
~ 236 years ago