chemical species 

of an element
https://doi.org/10.1351/goldbook.CT06859
Specific form of an element defined as to isotopic composition, electronic or @O04365@, and/or complex or molecular structure.
See also: chemical species
Source:
PAC, 2004, 76, 1033. (Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)) on page 1044 [Terms] [Paper]
Citation: 'chemical species' 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.CT06859 RIS BibTex EndNote
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Last revised: February 24, 2014