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| Cesium
is a metal in group IA of the periodic table with atomic number 55, an
atomic weight of 132.905, and a density of 1.9 Mg/m3.
Its melting point is 28.7 C, and it boils at 690 C.
The electronic configuration of Cesium is (Xe)(6s1). Its atomic radius is 0.267 nm. At room temperature Cesium has a body-centered cubic crystal structure with a = 0.605 nm. |
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