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22 giug 1913 anni - In 1913 , Bohr suggested that electrons moved around the nucleus in stable orbits known as 'shells' or 'energy levels'.
Aggiunto al nastro di tempo:
1 ott 2017
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374
Developement of Ideas About the Atom
Data:
22 giug 1913 anni
Adesso
~ 110 years ago