Rubidium
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.
Uses:
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[1].
References
- ↑ 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