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  1. Niels Bohr, Danish physicist who is generally regarded as one of the foremost physicists of the 20th century. He was the first to apply the quantum concept to the problem of atomic and molecular structure. For that work he received the Nobel Prize for Physics in 1922.

    • Finn Aaserud
  2. Oct 7, 2012 · The discovery of the electron and radioactivity in the late 19th century led to different models being proposed for the atom’s structure. In 1913, Niels Bohr proposed a theory for the hydrogen atom, based on quantum theory that some physical quantities only take discrete values.

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

    Niels Henrik David Bohr ( Danish: [ˈne̝ls ˈpoɐ̯ˀ]; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.

  4. Aug 29, 2017 · Bohr's greatest contribution to modern physics was the atomic model. The Bohr model shows the atom as a small, positively charged nucleus surrounded by orbiting electrons.

    • Elizabeth Peterson
  5. Bohr returned to Denmark in the fall of 1912 with two foremost ideas: Firstly, he wanted to understand the behavior of electrons in the atom. Secondly, he resolved to model his own behavior as a physicist on Rutherford’s. Bohr found Rutherford’s boundless energy, enthusiasm, and knowledge inspiring.

  6. Aug 14, 2013 · To salvage the atom, Bohr had to invent new rules that clashed with classical physics. He bravely put forward his idea, suggesting the implausible: what if the electron could only move in certain...

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  8. The use of BHA and BHT in cosmetics is unrestricted in Canada, although Health Canada has categorized BHA as a “high human health priority” on the basis of carcinogenicity and BHT as a “moderate human health priority”.

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