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  2. en.wikipedia.org › wiki › Niels_BohrNiels Bohr - Wikipedia

    Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another. Although the Bohr model has been supplanted by other models, its underlying principles remain valid.

  3. www.livescience.com › 32016-niels-bohr-atomicNiels Bohr: Biography & Atomic Theory | Live Science

    Aug 29, 2017 · Niels Bohr won a Nobel Prize for the idea that an atom is a small, positively charged nucleus surrounded by orbiting electrons. He also contributed to quantum theory.

    • Elizabeth Peterson

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    • Atoms and Electrons - Electronics Reference
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  5. www.britannica.com › biography › Niels-BohrNiels Bohr | Biography, Education, Accomplishments, & Facts

    Apr 29, 2024 · Niels Bohr modeled the atom with electrons that could only have specific stable orbits. This model of the atom was the first to incorporate quantum theory. That electrons could only occur in specific orbits explained why elements such as hydrogen emitted and absorbed light at specific wavelengths.

    • Finn Aaserud

  6. www.nobelprize.org › prizes › physicsNiels Bohr – Facts - NobelPrize.org

    Oct 7, 2012 · In 1913, Niels Bohr proposed a theory for the hydrogen atom, based on quantum theory that some physical quantities only take discrete values. Electrons move around a nucleus, but only in prescribed orbits, and If electrons jump to a lower-energy orbit, the difference is sent out as radiation.

  7. www.britannica.com › science › Bohr-modelBohr model | Description, Hydrogen, Development, & Facts

    May 2, 2024 · Bohr model, description of the structure of atoms proposed in 1913 by the Danish physicist Niels Bohr. The Bohr model of the atom, a radical departure from earlier, classical descriptions, was the first that incorporated quantum theory and was the predecessor of wholly quantum-mechanical models.

    • The Editors of Encyclopaedia Britannica

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  9. home.cern › atomic-flashback-century-bohr-modelAtomic flashback: A century of the Bohr model | CERN

    Jul 12, 2013 · Bohr, who worked for a key period in 1912 in Rutherford’s laboratory in Manchester in the UK, was worried about a few inconsistencies in this model. According to the rules of classical physics, the electrons would eventually spiral down into the nucleus, causing the atom to collapse.

  10. www.khanacademy.org › a › bohrs-model-of-hydrogenBohr's model of hydrogen (article) | Khan Academy

    Bohr’s model of the hydrogen atom started from the planetary model, but he added one assumption regarding the electrons. What if the electronic structure of the atom was quantized? Bohr suggested that perhaps the electrons could only orbit the nucleus in specific orbits or shells with a fixed radius.

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