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13 feb 1829 año - John Dobereiner

Descripción:

John was a german scientist who was aware of forty elements. He took note that some groups of elements had similar properties and named the groups triads.

Añadido al timeline:

Physical Science

ByThomas
6 feb 2018
0
0
329

fecha:

13 feb 1829 año
Ahora mismo
~ 195 years ago
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