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- Principal_quantum_number abstract "In quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state. As a discrete variable, the principal quantum number is always an integer. As n increases, the number of electronic shells increases and the electron spends more time farther from the nucleus. As n increases, the electron is also at a higher potential energy and is therefore less tightly bound to the nucleus.The principal quantum number was first created for use in the semiclassical Bohr model of the atom, distinguishing between different energy levels. With the development of modern quantum mechanics, the simple Bohr model was replaced with a more complex theory of atomic orbitals. However, modern theory still requires the principal quantum number. Apart from the principal quantum number, the other quantum numbers for bound electrons are the azimuthal quantum number, the magnetic quantum number, and the spin quantum number.For an analogy, one could imagine a multistoried building with an elevator structure. The building has an integer number of floors, and a (well-functioning) elevator which can only stop at a particular floor. Furthermore, the elevator can only travel an integer number of levels. As with the principal quantum number, higher numbers are associated with higher potential energy.Beyond this point the analogy breaks down; in the case of elevators the potential energy is gravitational but with the quantum number it is electromagnetic. The gains and losses in energy are approximate with the elevator, but precise with quantum state. The elevator ride from floor to floor is continuous whereas quantum transitions are discontinuous. Finally the constraints of elevator design are imposed by the requirements of architecture, but quantum behavior reflects fundamental laws of physics.".
- Principal_quantum_number wikiPageExternalLink a2.html.
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- Principal_quantum_number wikiPageRevisionID "706966620".
- Principal_quantum_number wikiPageWikiLink Angular_momentum.
- Principal_quantum_number wikiPageWikiLink Atom.
- Principal_quantum_number wikiPageWikiLink Atomic_electron_transition.
- Principal_quantum_number wikiPageWikiLink Atomic_orbital.
- Principal_quantum_number wikiPageWikiLink Azimuthal_quantum_number.
- Principal_quantum_number wikiPageWikiLink Bohr_model.
- Principal_quantum_number wikiPageWikiLink Bound_state.
- Principal_quantum_number wikiPageWikiLink Category:Atomic_physics.
- Principal_quantum_number wikiPageWikiLink Category:Quantum_chemistry.
- Principal_quantum_number wikiPageWikiLink Category:Quantum_numbers.
- Principal_quantum_number wikiPageWikiLink Continuous_and_discrete_variables.
- Principal_quantum_number wikiPageWikiLink Eigenvalues_and_eigenvectors.
- Principal_quantum_number wikiPageWikiLink Emission_spectrum.
- Principal_quantum_number wikiPageWikiLink Energy_level.
- Principal_quantum_number wikiPageWikiLink Hydrogen-like_atom.
- Principal_quantum_number wikiPageWikiLink Introduction_to_quantum_mechanics.
- Principal_quantum_number wikiPageWikiLink Magnetic_quantum_number.
- Principal_quantum_number wikiPageWikiLink Node_(physics).
- Principal_quantum_number wikiPageWikiLink Pauli_exclusion_principle.
- Principal_quantum_number wikiPageWikiLink Planck_constant.
- Principal_quantum_number wikiPageWikiLink Quantum.
- Principal_quantum_number wikiPageWikiLink Quantum_mechanics.
- Principal_quantum_number wikiPageWikiLink Quantum_number.
- Principal_quantum_number wikiPageWikiLink Quantum_state.
- Principal_quantum_number wikiPageWikiLink Schrödinger_equation.
- Principal_quantum_number wikiPageWikiLink Spin_quantum_number.
- Principal_quantum_number wikiPageWikiLink Total_angular_momentum_quantum_number.
- Principal_quantum_number wikiPageWikiLink Wave_function.
- Principal_quantum_number wikiPageWikiLinkText "".
- Principal_quantum_number wikiPageWikiLinkText "''n'' values".
- Principal_quantum_number wikiPageWikiLinkText "2".
- Principal_quantum_number wikiPageWikiLinkText "Principal quantum number".
- Principal_quantum_number wikiPageWikiLinkText "n".
- Principal_quantum_number wikiPageWikiLinkText "principal quantum number".
- Principal_quantum_number wikiPageWikiLinkText "principal".
- Principal_quantum_number wikiPageUsesTemplate Template:Electron_configuration_navbox.
- Principal_quantum_number wikiPageUsesTemplate Template:Main.
- Principal_quantum_number subject Category:Atomic_physics.
- Principal_quantum_number subject Category:Quantum_chemistry.
- Principal_quantum_number subject Category:Quantum_numbers.
- Principal_quantum_number hypernym Numbers.
- Principal_quantum_number type Plant.
- Principal_quantum_number type Mechanic.
- Principal_quantum_number type Physic.
- Principal_quantum_number type Redirect.
- Principal_quantum_number comment "In quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state. As a discrete variable, the principal quantum number is always an integer. As n increases, the number of electronic shells increases and the electron spends more time farther from the nucleus.".
- Principal_quantum_number label "Principal quantum number".
- Principal_quantum_number sameAs Q867448.
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- Principal_quantum_number sameAs Q867448.
- Principal_quantum_number sameAs 主量子數.
- Principal_quantum_number wasDerivedFrom Principal_quantum_number?oldid=706966620.
- Principal_quantum_number isPrimaryTopicOf Principal_quantum_number.