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jan 1, 1828 - Johann Döbereiner (1780-1849)

Description:

Notó que existían grupos de tres elementos que tenían propiedades químicas semejantes y que sus propiedades físicas variaban de manera ordenada de acuerdo con sus masas atómicas. A estas series las llamó triadas.

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Tabla Periódica

ByEdgar David Gaytan Diego
2 Oct 2018

Date:

jan 1, 1828
Now
~ 196 years ago

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