Key information
Atomic number: 
37
Atomic weight: 
85.47
Density: 
1530 kg/m³
Boiling point: 
961.16° K
Melting point: 
312.06° K
Heat vapour: 
75.8 kJ/mol
Heat fusion: 
2.3 kJ/mol
Thermal conductivity: 
8 W/m/K
Group: 
Alkali Metals

The chemical symbol for Rubidium is Rb.

Amazon Books
Image of The Last Sorcerers: The Path from Alchemy to the Periodic Table
Author: National Academy of Sciences, Richard Morris
Publisher: Henry (Joseph) Press (2003)
Binding: Hardcover, 294 pages