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{{Short description|Intrinsic angular momentum of a quantum particle}}
{{Short description|Intrinsic angular momentum of a quantum particle}}


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'''Spin''' is an intrinsic form of [[Physics:Quantum atoms/angular momentum|angular momentum]] carried by an [[Physics:Quantum atoms/electron|electron]] and other quantum particles. It is a fundamental property that does not correspond to classical rotation.
'''Spin''' is an intrinsic form of [[Physics:Quantum atoms/angular momentum|angular momentum]] carried by an [[Physics:Quantum atoms/electron|electron]] and other quantum particles. It is a fundamental property that does not correspond to classical rotation.
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[[File:Electron_spin.png|thumb|280px|Spin states of an electron, often described as "up" or "down".]]
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<div style="font-size:90%;">Spin states of an electron, often described as "up" or "down".</div>
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Revision as of 21:51, 17 May 2026


← Back to Atoms Book II

Spin is an intrinsic form of angular momentum carried by an electron and other quantum particles. It is a fundamental property that does not correspond to classical rotation.

File:Electron spin.png
Spin states of an electron, often described as "up" or "down".

Description

Spin is quantized and can take discrete values. For electrons, spin has two possible states, commonly referred to as "spin-up" and "spin-down". These states play a central role in determining how electrons occupy orbitals.

Spin is essential for understanding atomic structure, magnetic properties, and the Pauli exclusion principle.

Properties

  • intrinsic quantum property
  • related to angular momentum
  • determines electron pairing in atoms

See also

Table of contents (217 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum atoms/spin

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