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| Rubidium
is an alkali metal in group IA of the periodic table with atomic number
37, an atomic weight of 85.47, and a density of 1.53 Mg/m3.
Its melting point is 38.9 C, and it boils at 688 C.
The electronic configuration of Rubidium is (Kr)(5s1). Its atomic radius is 0.248 nm and the (+1) ionic radius is 0.148 nm. In the solid state Rubidium has a body-centered cubic crystal structure with a = 0.562 nm and a nearest neighbor distance of 0.478 nm. |
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