isotones 

https://doi.org/10.1351/goldbook.I03321
Nuclides having the same neutron number but different atomic numbers.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1545 [Terms] [Paper]
Citation: 'isotones' 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.I03321 RIS BibTex EndNote
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Last revised: February 24, 2014