From The School of Biomedical Sciences Wiki
Rubidium was discovered by Gustav Kirchhoff and Robert Bunsen in 1861.
It has an atomic number of 37 and is in group 1 and period 5 of the periodic table. The relative atomic mass is 85.468.
Rubidium is slightly radioactive and is hence used in the field of medicine to locate brain tumors. It is also used as a component of photocells.
- ↑ Royal Society of Chemistry. Rubidium - Element information, properties and uses | Periodic Table [cited 06/12/18]; Available from http://www.rsc.org/periodic-table/element/37/rubidium