+**Atomic mass** quantifies the mass of an individual [atom](/wiki/atom). It primarily reflects the count of [protons](/wiki/proton) and neutrons found within its nucleus, a defining characteristic for each [element](/wiki/element).
+## See also
+- [Isotope](/wiki/isotope)
+- [Proton](/wiki/proton)
+- [Neutron](/wiki/neutron)
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