Singly-, doubly-, triply-, etc. charged Ion

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Singly-, doubly-, triply-, etc. charged Ion
Atom or molecule that has an excess (negative ion) or deficit (positive ion) of one, two, or three electrons.
Note: The net charge may result from the gain or loss of electrons or by the formation of a protonated molecule or adduct ion.
Related Term(s):
This is an unofficial draft definition presented for information and comment. For current IUPAC recommended mass spectrometry terms, see the Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

Orange Book


IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the “Orange Book”). Definitive Rules, 1979.

Singly-, doubly-, triply-, etc. charged Ion

These terms describe an atom molecule or molecular moiety which has gained or lost respectively one, two, three or more electrons. The term multiply-charged ion refers to ions that have gained or lost more than one electron where the number of electrons lost or gained is not specified.

IUPAC Orange Book Chapter 12
Index of Orange Book Terms