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27 dic 1912 anni - 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)

Aggiunto al nastro di tempo:

12 nov 2019
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495

Data:

27 dic 1912 anni
Adesso
~ 112 years ago