1 gen 1914 anni - Rutherford Identifies Protons
Descrizione:
In 1914 Rutherford first identified protons in the atomic nucleus. He also transmutated a nitrogen atom into an oxygen atom for the first time. English physicist Henry Moseley provided atomic numbers, based on the number of electrons in an atom, rather than based on atomic mass.Aggiunto al nastro di tempo:
Data:
1 gen 1914 anni
Adesso
~ 111 years ago