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 ...

Rubidium is a silvery-white and very soft metal — and one of the most highly reactive elements on the periodic table. Rubidium has a density about one and a half times that of water and is solid ...

Rubidium (Rb) was discovered in 1861 by physicist ... Element 37 firmly belongs to group I of the periodic table, with characteristics similar to those of the other alkali metals.

Now, the investment in lithium extraction is spilling over to include rubidium, another element on the leftmost column of the periodic table. Rubidium is found in the earth’s crust alongside ...