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Each electron in an atom is in an orbital (*NOT* an orbit!!) at a specific energy level from the positive nucleus. The energy levels of these orbitals are fixed -- an electron can go from orbital 's' to orbital 'p', but it can't go halfway between these two orbitals. When an electron in an atom goes from a higher orbital to a lower one, then the atom must give off an amount of energy, that is exactly the difference in energy in the two levels.
For a hydrogen atom, these orbital levels are fixed by the fact that the angular momentum of an electron in an orbital is quantized -- ie, it comes in exact multiples, but not fractions, of a minimal amount.
Green Tremblay
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Niels bohr model?
In 1938 Bohr worked with Albert Einstein and carried out atomic research; was elected president of the Danish Academy of Science and was an advisor to the Manhattan Project, which produced the first atomic bomb.
How did Niels Bohr depicted the atom?
A Bohr model is essentially a circle which represents the nucleus. This circle frequntly shows the number of protons/neutrons in an atom. Each electorn orbital is a larger circle with a symbol made for every electron in that energy level.
What term best fits the description this part of an atom orbits the nucleus?
The electron orbits AROUND the nucleus (center).
Why did Bohr receive a gold medal from the academy of sciences in Copenhagen during his collage years?
Niels Bohr won the Nobel Prize for his groundbreaking work in atomic structure and the development of quantum theory. Bohr's work helped to revolutionize physics, as his models of the atom and quantum mechanics explained the behavior of electrons, allowing for a deeper understanding of the physical world. Specifically, Bohr was awarded the Nobel Prize in Physics in 1922 for his: Discovery of the structure of the atom Development of the Bohr model of the atom Proposal of the principle of complementarity Explanation of the behavior of electrons in atoms Bohr's work provided the foundation for much of the research that followed and demonstrated the importance of collaboration in the physical sciences. His Nobel Prize was a recognition of the significance of his contributions to the field of physics.
What was Niels Bohr famous for?
Niels Bohr was involved with many aspects of the development of Quantum Mechanics but he is best known for his theory of the Hydrogen atom. In this theory he applied Planck's concept of quantization to the dynamics of the electron in the Hydrogen atom. He concluded that the electron could only have certain energies and light emitted from Hydrogen only occured when the electron dropped from a high energy level to a lower energy level. This theory fully explained the unusual light spectrum emitted by Hydrogen, which had puzzeled scientists for years.
Which of the following statements best describes a weakness of the Bohr model of the atom?
Strengths: it shows electron shells, valence electrons, and the nucleus of an atom, how it orbits around the nucleus Weaknesses: doesn't show chemical bonding such as covalent bonds and ionic crystals
What is the best description of an bohr model of an atom?
Each electron in an atom is in an orbital (*NOT* an orbit!!) at a specific energy level from the positive nucleus. The energy levels of these orbitals are fixed -- an electron can go from orbital 's' to orbital 'p', but it can't go halfway between these two orbitals. When an electron in an atom goes from a higher orbital to a lower one, then the atom must give off an amount of energy, that is exactly the difference in energy in the two levels. For a hydrogen atom, these orbital levels are fixed by the fact that the angular momentum of an electron in an orbital is quantized -- ie, it comes in exact multiples, but not fractions, of a minimal amount.
Niels bohr model?
In 1938 Bohr worked with Albert Einstein and carried out atomic research; was elected president of the Danish Academy of Science and was an advisor to the Manhattan Project, which produced the first atomic bomb.
Which description best matches democritus's idea of the atom?
a particle that cannot be divided or destroyed
Which description best matches Democritus and idea of the atom?
All matter is formed from indivisible atoms.
Daltons model of an atom is best described as?
It was commonly described as a Solid sphere
What is the best description of the end result of chemical bonding for most atom?
Getting a full set of valence electrons
What is the best description of how an atom is organized?
A small core of nucleons (protons and neutrons) surrounded by an attenuated cloud of electrons.
What best describes the nucleus of an atom?
It’s the most massive part of the atom
Why is the current atomic model calles electron cloud model?
The electron cloud model best describes the organization of electrons around the nucleus of an atom.
Why is the current atomic model called the electron cloud model?
The electron cloud model best describes the organization of electrons around the nucleus of an atom.
Why is the current atomic model called electron cloud model?
The electron cloud model best describes the organization of electrons around the nucleus of an atom.
