Niels Bohr (7 ottob 1885 anni – 18 nov 1962 anni)

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1885 – 1962 AD in Denmark and Europe

-Devised idea that electrons are in circular orbits around nucleus in an atom (atomic structure)
-They can absorb/emit light by rising/falling between the electron levels
-Discovered that number of electrons in the outer orbit determines the properties of an element
-Created the Bohr Model for the hydrogen atom

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