Elements · · He Helium →
H Hydrogen
Basic facts
| Symbol | H |
|---|---|
| Atomic number | 1 |
| Standard atomic weight | 1.0080 |
| Group | 1 |
| Period | 1 |
| Block | s-block |
| Category | Nonmetal |
| Standard state | Gas |
| Discovered | 1766 |
Source: PubChem, Hydrogen (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Biotech uses & experiments
No dedicated element entries yet; the topics and entries below involve hydrogen.
Topics on this site about hydrogen
Entries elsewhere on the site that mention hydrogen
Found by name, common compounds and chemical formulas in each entry.
- High-efficiency solar hydrogen device · Artificial leaf (artificial photosynthesis) · 1998
- Solar-wind water in soil grains · Chang'e-5 lunar samples · 2022
- Algae making hydrogen · Hydrogen gas · 2000
- Storing hydrogen · Hydrogen gas · 2001
- Sustainable hydrogen production · Hydrogen gas · 2004
- Hydrogen as an antioxidant · Hydrogen gas · 2007
- H2S as a brain signal · Hydrogen sulfide and carbon monoxide (signaling gases) · 1996
- H2S suspended animation · Hydrogen sulfide and carbon monoxide (signaling gases) · 2005
- H2S relaxes blood vessels · Hydrogen sulfide and carbon monoxide (signaling gases) · 2008
- Microbes in oil fields · Oil (petroleum) · 2009
- Hydrogen tunneling in enzymes · Quantum biology (photosynthesis, enzyme tunneling) · 2013
- Tritium irrigation of forest at Savannah River · Trees for contaminated and radioactive sites (poplar, forest irrigation) · 2005
Patents
Search Google Patents for hydrogen in biological and medical uses: all patents · recent applications (2022+)
A patent is a legal claim, not proof that something works. See the Patents page.