even-electron rule

https://doi.org/10.1351/goldbook.12406
Rule that states that even-electron ions tend to form even-electron fragment ions whereas odd-electron ions tend to dissociate to form either odd- or even-electron ions.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1542 [Terms] [Paper]
Citation: 'even-electron rule' 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.12406 RIS BibTex EndNote
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