Element Name: Rubidium
Atomic No.: 37
State (298 K): solid
Uses: ----------------
Atomic Mass: 85.468 g/mol
Density: 1.53 g/cm
3
B.P.: 961 K
F.P.: 312 K
Electronic Configuration:
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
5s
1
Isotopes:
85
Rb 84.912 amu (72.17%)
87
Rb 86.909 amu (27.83%)
Electronegativity: 0.82
Radius: 248 pm (atomic)
Return to Periodic Table