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26 feb 1789 año - First Extensive Element List (Moseley)

Descripción:

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.

Añadido al timeline:

fecha:

26 feb 1789 año
Ahora mismo
~ 235 years ago