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5 янв 1913 г. - Niels Bohr discovered the electrons' orbits and that there were more electrons in the outer orbits than in the inner orbits. He also saw that radiation was emitted when an electron would jump from one orbit to another.
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History of the Periodic Table
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lily heavner
3 окт 2017
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5 янв 1913 г.
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~ 112 г назад
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