Name: Rubidium
Symbol: Rb
 
Atomic Number: 37
Atomic Weight: 85.4678 g/mol
State: Solid @298K
Colour: Silvery White
 
Melting Point: 312.46 K
Boiling Point: 961 K
 
isotope amu abundance(%)
Rb85 84.9120 72.15
Rb87 86.9093 27.85