// todo need optimize like in event.jsp. Add indexing or not indexing this page. Johann Dobereiner notices atomic weight of strontium was halfway between calcium and barium. (14 ore 22 min, 14 gen 1817 anni – 0 ore 57 min, 20 gen 1818 anni) (Il nastro del tempo)
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Johann Dobereiner notices atomic weight of strontium was halfway between calcium and barium. (14 ore 22 min, 14 gen 1817 anni – 0 ore 57 min, 20 gen 1818 anni)

Descrizione:

Elements also had similar chemical properties

Aggiunto al nastro di tempo:

History of the Periodic Table

BySonya Callendar
26 dic 2017

Data:

14 ore 22 min, 14 gen 1817 anni
0 ore 57 min, 20 gen 1818 anni
~ 1 years
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