Discovery of isotopes led to understanding (atomic number corresponded with properties > than mass) (19 ore 53 min, 1 gen 1913 anni – 21 ore 42 min, 31 dic 1913 anni)
Descrizione:
by Frederick Soddy. Mendeleev and Meyer thought atomic mass was the main correspondent with properties.Aggiunto al nastro di tempo:
Data:
19 ore 53 min, 1 gen 1913 anni
21 ore 42 min, 31 dic 1913 anni
~ 12 months