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  1. The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits of electrons around an atomic nucleus. Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld.

  2. Nov 16, 2023 · Sommerfeld's atomic model, developed in the early 20th century, expanded on Bohr's model by introducing significant modifications to the description of the structure of atoms. Arnold Sommerfeld incorporated elliptical and asymmetric orbits for electrons, in contrast to Bohr's circular orbits.

  3. Mar 12, 2024 · Arnold Sommerfeld enhanced the Bohr model in 1916 with elliptical orbits. In spite of its inaccuracies, the Bohr model remains a fundamental teaching tool in introducing the concept of atoms. You can search for a picture of an atom on the internet and you'll find one, even though nobody's actually seen an atom before.

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  4. Arnold Johannes Wilhelm Sommerfeld, ForMemRS [1] (German: [ˈzɔmɐˌfɛlt]; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments in atomic and quantum physics, and also educated and mentored many students for the new era of theoretical physics.

  5. The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits of electrons around an atomic nucleus. Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld.

  6. Arnold Sommerfeld is one of the pioneers of quantum and atomic physics. He was a brilliant German theoretical physicist who also educated many students in physics. He is known for introducing the azimuthal quantum number (2nd quantum number) and the spin quantum number (4th quantum number).

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  8. Etching of Arnold Sommerfield , the German physicist who modified Niel Bohr's model of the atom in 1916. He lectured for many years at the University... Arnold Sommerfeld, German physicist, c 1930.

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