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{{Short description|Central part of an atom containing protons and neutrons}}
{{Short description|Central part of an atom containing protons and neutrons}}


[[Book:Quantum Collection/Matter (by scale)|← Back to Matter by scale]]
{{Quantum matter backlink|Atoms}}


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The '''atomic nucleus''' is the central region of an [[Physics:Quantum atoms/atom|atom]], composed of [[Physics:Quantum particles/proton|protons]] and [[Physics:Quantum particles/neutron|neutrons]]. It contains nearly all of the atom’s mass.
The '''atomic nucleus''' is the central region of an [[Physics:Quantum atoms/atom|atom]], composed of [[Physics:Quantum particles/proton|protons]] and [[Physics:Quantum particles/neutron|neutrons]]. It contains nearly all of the atom’s mass.
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[[File:Atomic_nucleus-2.png|thumb|280px|Representation of the atomic nucleus composed of protons and neutrons.]]
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<div style="font-size:90%;">Representation of the atomic nucleus composed of protons and neutrons.</div>
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Revision as of 21:51, 17 May 2026


← Back to Atoms Book II

The atomic nucleus is the central region of an atom, composed of protons and neutrons. It contains nearly all of the atom’s mass.

File:Atomic nucleus-2.png
Representation of the atomic nucleus composed of protons and neutrons.

Description

The nucleus is bound together by the strong nuclear force and is much smaller than the overall size of the atom. Electrons occupy regions outside the nucleus in quantum states.

Properties

  • nuclear charge
  • mass number
  • binding energy

See also

Table of contents (217 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum atoms/nucleus

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