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- Bohr model, description of the structure of atoms, especially that of hydrogen, proposed (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.
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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.
- Niels Bohr
Niels Bohr modeled the atom with electrons that could only...
- Atomic Model
In the years after Dalton described his atomic model,...
- Niels Bohr
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.
- Atomic Model
- Liquid Droplet Theory
- Quantum Theory
- Niels Bohr Quotations
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. Bohr was the first to discover that electrons travel in separate orbitsaround the nucleus and that the number of electrons in the outer orbit determines the properties of an elem...
Bohr's theoretical work contributed significantly to scientists' understanding of nuclear fission. According to his liquid droplet theory, a liquid drop provides an accurate representation of an atom's nucleus. This theory was instrumental in the first attempts to split uranium atoms in the 1930s, an important step in the development of the atomic ...
Bohr's concept of complementarity, which he wrote about in a number of essays between 1933 and 1962, states that an electron can be viewed in two ways, either as a particle or as a wave, but never both at the same time. This concept, which forms the basis of early quantum theory, also explains that regardless of how one views an electron, all under...
"Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it." "Everything we call real is made of things that cannot be regarded as real." "The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness." "Never express yourself more cl...
- Elizabeth Peterson
History of atomic theory. The current theoretical model of the atom involves a dense nucleus surrounded by a probabilistic "cloud" of electrons. Atomic theory is the scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years in response to scientific discoveries.
The structure of the atom. Nobel Lecture, December 11, 1922. Ladies and Gentlemen. Today, as a consequence of the great honour the Swedish Academy of Sciences has done me in awarding me this year’s No-bel Prize for Physics for my work on the structure of the atom, it is my duty to give an account of the results of this work and I think that I ...
Jul 30, 2023 · In a classic paper published in 1913, the young Niels Bohr, then working with Rutherford in Manchester, England, proceeded to show how Rydberg’s formula could be explained in terms of a very simple model of the hydrogen atom. The model was based on the nuclear view of atomic structure which had just been proposed by Rutherford.
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