Bohr model of the atom
E84068
The Bohr model of the atom is an early quantum theory in which electrons orbit the nucleus in discrete, quantized energy levels, explaining atomic spectra such as that of hydrogen.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Bohr model | 1 |
| Sommerfeld model of the atom | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
atomic model
ⓘ
early quantum theory ⓘ physical theory ⓘ |
| appliesTo |
hydrogen atom
ⓘ
hydrogen-like ions ⓘ |
| assumes |
Coulomb attraction between electron and nucleus
ⓘ
classical circular motion for electrons with quantized angular momentum ⓘ |
| coreIdea |
angular momentum of bound electrons is quantized
ⓘ
electron orbits correspond to quantized energy levels ⓘ electrons move in discrete circular orbits around the nucleus ⓘ |
| describes | structure of the atom ⓘ |
| educationalUse |
introductory model in physics education
ⓘ
visualization of quantized energy levels ⓘ |
| explains |
Balmer series of hydrogen
ⓘ
Rydberg constant ⓘ
surface form:
Rydberg formula for hydrogen spectral lines
line spectrum of hydrogen ⓘ |
| field |
atomic physics
ⓘ
quantum physics ⓘ spectroscopy ⓘ |
| historicalPeriod |
Sommerfeld quantization rules
ⓘ
surface form:
old quantum theory
|
| influenced |
Schrödinger’s wave mechanics
ⓘ
Sommerfeld quantization rules ⓘ
surface form:
Sommerfeld model of the atom
development of quantum mechanics ⓘ |
| influencedBy |
On the Law of Distribution of Energy in the Normal Spectrum
ⓘ
surface form:
Planck’s quantum hypothesis
Rutherford model of the atom ⓘ
surface form:
Rutherford scattering experiments
|
| limitation |
cannot accurately describe multi-electron atoms
ⓘ
does not include electron wave nature fully ⓘ incompatible with full quantum mechanics for complex atoms ⓘ |
| namedAfter | Niels Bohr ⓘ |
| postulate |
frequency of emitted radiation is related to energy difference between orbits
ⓘ
only certain stationary orbits are allowed for electrons ⓘ radiation is emitted or absorbed only when an electron jumps between allowed orbits ⓘ |
| precededBy | Rutherford model of the atom ⓘ |
| predicts |
Bohr radius for the ground-state orbit of hydrogen
ⓘ
discrete energy levels for electrons in hydrogen ⓘ ionization energy of hydrogen ⓘ |
| proposedBy | Niels Bohr ⓘ |
| publicationYear | 1913 ⓘ |
| relatedConcept |
Bohr radius
ⓘ
Rydberg constant ⓘ electron transition ⓘ energy level ⓘ photon emission ⓘ |
| replacedBy |
Schrödinger equation
ⓘ
surface form:
Schrödinger model of the atom
quantum mechanical model of the atom ⓘ |
| usesConcept |
Planck constant
ⓘ
quantization of angular momentum ⓘ stationary states ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bohr model
this entity surface form:
Sommerfeld model of the atom