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1 gen 1828 anni - Johann Döbereiner (1780-1849)

Descrizione:

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.

Aggiunto al nastro di tempo:

Tabla Periódica

ByEdgar David Gaytan Diego
2 ott 2018

Data:

1 gen 1828 anni
Adesso
~ 196 years ago

Immagini:

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