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1 gen 1817 anni - Johann Dobereiner

Descrizione:

Put forward the law of triads. The appearance and reaction of each element in the triad were similar to each others. He also discovered that the atomic mass of the middle element was close to the average of the triad.

Aggiunto al nastro di tempo:

Science

ByJayath Gunawardena
28 lug 2018

Data:

1 gen 1817 anni
Adesso
~ 207 years ago

Immagini:

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