Elements · ← Ne Neon · Mg Magnesium →
Na Sodium
Basic facts
| Symbol | Na |
|---|---|
| Atomic number | 11 |
| Standard atomic weight | 22.9897693 |
| Group | 1 |
| Period | 3 |
| Block | s-block |
| Category | Alkali metal |
| Standard state | Solid |
| Discovered | 1807 |
Source: PubChem, Sodium (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 sodium.
Topics on this site about sodium
Entries elsewhere on the site that mention sodium
Found by name, common compounds and chemical formulas in each entry.
- Tough self-healing alginate hydrogel · Alginate (seaweed) · 2020
- Salts left by an ancient brine · Asteroid Bennu samples · 2025
- Boron neutron capture therapy · Boron · 2005
- Structure of the potassium channel · Cell membranes and ion channels · 1998
- Batteries for the grid · Electricity storage (supercapacitors, sodium-ion, solid-state, flow batteries) · 2011
- Sodium-ion batteries · Electricity storage (supercapacitors, sodium-ion, solid-state, flow batteries) · 2017
- Laser cooling of atoms · Lasers (optical tweezers, laser cooling, ultrafast pulses, LASIK, 3D printing) · 1985
- Photo 51 era DNA diffraction · X-rays (crystallography, imaging) · 1953
- Tuning upconversion nanocrystals · Yttrium · 2010
Patents
Search Google Patents for sodium 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.