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In atomic physics, the Bohr model or Rutherford–Bohr model was the first successful model of the atom. Developed from 1911 to 1918 by Niels Bohr and building on Ernest Rutherford 's nuclear model , it supplanted the plum pudding model of J J Thomson only to be replaced by the quantum atomic model in the 1920s.
According to Bohr's complementarity principle, light is neither a wave nor a stream of particles. A particular experiment can demonstrate particle behavior (passing through a definite slit) or wave behavior (interference), but not both at the same time. [72] The same experiment has been performed for light, electrons, atoms, and molecules.
The Bohr model of the atom. Rutherford deduced the existence of the atomic nucleus through his experiments but he had nothing to say about how the electrons were arranged around it. In 1912, Niels Bohr joined Rutherford's lab and began his work on a quantum model of the atom. [38]: 19
Complementarity as a physical model derives from Niels Bohr's 1927 presentation in Como, Italy, at a scientific celebration of the work of Alessandro Volta 100 years previous. [4]: 103 Bohr's subject was complementarity, the idea that measurements of quantum events provide complementary information through seemingly contradictory results. [5]
The Bohr–Einstein debates were a series of public disputes about quantum mechanics between Albert Einstein and Niels Bohr. Their debates are remembered because of their importance to the philosophy of science , insofar as the disagreements—and the outcome of Bohr's version of quantum mechanics becoming the prevalent view—form the root of ...
Niels Henrik David Bohr (7 October 1885 – 18 November 1962) was a Danish theoretical physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.
Bohr, meanwhile, defended the idea that quantum systems can only have their own reality defined after the scientist has set up the experimental design. “God does not play dice,” Einstein said.
Model of the hydrogen molecule and its axial projection. In addition to the model of the atom, Niels Bohr also proposed a model of the chemical bond.. He proposed this model first in the article "Systems containing several nuclei" [1] - the third and last of the classic series of articles by Bohr, published in November 1913 in Philosophical Magazine.