00821 IUPAC Gold Book - carbon 10.1351/goldbook.C00821 C00821 current 1 Element number 6 of the periodic table of elements (electronic ground state \(1\rm{s}^{2}2\rm{s}^{2}2\rm{p}^{2}\)). For a description of the various types of carbon as a solid the term carbon should be used only in combination with an additional noun or a clarifying adjective. amorphous carbon https://goldbook.iupac.org//terms/view/A00294 carbon fibres https://goldbook.iupac.org//terms/view/C00831 carbon material https://goldbook.iupac.org//terms/view/C00841 glass-like carbon https://goldbook.iupac.org//terms/view/G02639 graphitic carbon https://goldbook.iupac.org//terms/view/G02689 ground state https://goldbook.iupac.org//terms/view/G02704 non-graphitic carbon https://goldbook.iupac.org//terms/view/N04193 pyrolytic carbon https://goldbook.iupac.org//terms/view/P04963 PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 479 (https://doi.org/10.1351/pac199567030473) https://goldbook.iupac.org/terms/view/C00821/html https://goldbook.iupac.org/terms/view/C00821/json https://goldbook.iupac.org/terms/view/C00821/plain Citation: 'carbon' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C00821 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-07-14T17:34:02+00:00