Johann Wolfgang Döbereiner
(TRIADS; he placed three elements into groups called triads) (1 gen 1829 anni – 9 agos 1829 anni)
Descrizione:
He placed various groups of three elements into groups called triads. One such triad was lithium, sodium, and potassium. Triads were based on both physical, as well as chemical, properties.
Aggiunto al nastro di tempo:
Data:
1 gen 1829 anni
9 agos 1829 anni
~ 7 months
Immagini:
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