proton 

https://doi.org/10.1351/goldbook.P04906
Nuclear particle of charge number +1, spin quantum number 12 and rest mass of 1.007 276 470(12) u.
See also: protium
Source:
Green Book, 2nd ed., p. 93 [Terms] [Book]
Citation: 'proton' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.P04906 RIS BibTex EndNote
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Last revised: February 24, 2014