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imported>WikiHarold: Created page with "{{Short description|Quantized angular momentum in atomic systems}} ← Back to Matter by scale '''Angular momentum''' in an atom is a quantized physical quantity associated with the motion and intrinsic properties of an electron. It plays a central role in determining the structure of orbitals and the behavior of electrons in..."

2026-04-27T18:15:13Z

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{{Short description|Quantized angular momentum in atomic systems}}

[[Book:Quantum Collection/Matter (by scale)|← Back to Matter by scale]]

'''Angular momentum''' in an [[Physics:Quantum atoms/atom|atom]] is a quantized physical quantity associated with the motion and intrinsic properties of an [[Physics:Quantum atoms/electron|electron]]. It plays a central role in determining the structure of [[Physics:Quantum atoms/orbital|orbitals]] and the behavior of electrons in atoms.

<div style="float:right; border:1px solid #e0d890; background:#fff8cc; padding:6px; margin:0 0 1em 1em; width:320px;">
[[File:Angular_momentum_quantum.png|300px]]
<div style="font-size:90%;">Quantization of angular momentum in atomic orbitals.</div>
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== Description ==
In quantum mechanics, angular momentum is described by quantum numbers and is restricted to discrete values. It arises in two forms:

* orbital angular momentum, associated with the electron’s motion in an [[Physics:Quantum atoms/orbital|orbital]]
* intrinsic angular momentum, known as [[Physics:Quantum atoms/spin|spin]]

These quantities determine the allowed energy states and spatial distributions of electrons.

== Properties ==

* quantized values
* determines orbital shapes
* linked to [[Physics:Quantum atoms/energy level|energy levels]] and spectra

=See also=
{{#invoke:PhysicsQC|tocHeadingAndList|Physics:Quantum basics/See also}}

=References=
{{reflist|3}}

{{Author|Harold Foppele}}
{{Sourceattribution|Physics:Quantum atoms/angular momentum|1}}

Physics:Quantum atoms/angular momentum - Revision history