Term: hydrogen
https://doi.org/10.1351/goldbook.H02898

Definition:
The general name for the atom H, without regard for its nuclear mass, either for hydrogen in its natural abundance or where it is not desired to distinguish between the isotopes. The systematic name for atomic hydrogen is monohydrogen.

Related Terms:
1) hydron (http://doi.org/10.1351/goldbook.H02904).
2) isotopes (http://doi.org/10.1351/goldbook.I03331).
3) systematic name (http://doi.org/10.1351/goldbook.S06236).

Source: PAC, 1988, 60, 1115. 'Names for hydrogen atoms, ions, and groups, and for reactions involving them (Recommendations 1988)' on page 1116 (https://doi.org/10.1351/pac198860071115)

Citation: 'hydrogen' 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.H02898

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