"Hydrogen" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight [1.00784; 1.00811]. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are PROTONS. Besides the common H1 isotope, hydrogen exists as the stable isotope DEUTERIUM and the unstable, radioactive isotope TRITIUM.
| Descriptor ID |
D006859
|
| MeSH Number(s) |
D01.268.406 D01.362.340 D01.435
|
| Concept/Terms |
|
Below are MeSH descriptors whose meaning is more general than "Hydrogen".
Below are MeSH descriptors whose meaning is more specific than "Hydrogen".
This graph shows the total number of publications written about "Hydrogen" by people in this website by year, and whether "Hydrogen" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 1996 | 1 | 0 | 1 |
| 1997 | 1 | 0 | 1 |
| 1998 | 0 | 1 | 1 |
| 1999 | 0 | 1 | 1 |
| 2001 | 0 | 1 | 1 |
| 2003 | 1 | 0 | 1 |
| 2012 | 0 | 1 | 1 |
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Below are the most recent publications written about "Hydrogen" by people in Profiles.