Elements · ← Xe Xenon · Ba Barium →
Cs Cesium
Basic facts
| Symbol | Cs |
|---|---|
| Atomic number | 55 |
| Standard atomic weight | 132.9054520 |
| Group | 1 |
| Period | 6 |
| Block | s-block |
| Category | Alkali metal |
| Standard state | Solid |
| Discovered | 1860 |
Source: PubChem, Cesium (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 cesium.
Entries elsewhere on the site that mention cesium
Found by name, common compounds and chemical formulas in each entry.
- Triple-cation perovskite cells · Perovskites · 2016
- Cesium and strontium phytoremediation review · Trees for contaminated and radioactive sites (poplar, forest irrigation) · 2024
Patents
Search Google Patents for cesium 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.