27 Dez 1912 Jahr - Bohr Planetary Model a planetary model in which the negatively-charged electrons orbit a small, positively-charged nucleus. Was only accurate with only one electron elements (1913) Henry Moseley Made Moseley’s law, which states that the frequency of x-ray radiation has a mathematical relationship to an element's atomic number. (1913)
Zugefügt zum Band der Zeit:
Datum:
27 Dez 1912 Jahr
Jetzt
~ 112 years ago