Periodic Table of the Elements: Cesium
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 55 |
| Atomic Symbol: | Cs |
| Cesiumcesium [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4°C;; b.p. 669.3°C;; sp. gr. 1.873 at 20°C;; valence +1. Cesium is a ductile, soft-as-wax, silver-white metallic element. It is in Group 1 of the periodic table. ..... Click the link for more information. | |
| Atomic Weight: | 132.90545 |
| Electron Configuration: | 2 · 8 · 18 18 · 8 · 1 |