Pure rubidium is often obtained by reduction of rubidium chloride using metallic calcium at around 750 ºC and low pressures. Rubidium is one of the alkaline metals, as group one of the periodic table ...

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/m 3. Its melting point is 38.9 C, and it boils at 688 C. The ...