Rubidium
Atomic Number: 37
Name: Rubidium
Atomic symbol: Rb
Atomic Weight: 85.4678
Electron affinity: -47 kJ/mol
Electron configuration: 1s22s22p63s23p63d104s24p65s1
Ionization energies: 403 kJ/mol; 2,632 kJ/mol
Pauling electronegativity: 0.8
Melting Point: 39oC
Boiling Point: 688oC
Density: 1.53 g/cm3
Standard potential (volts), M+ + e-
---> M: -2.92
Covalent radius: 2.16 angstroms
Ionic radius: 1.66 angstroms (+1)
Common oxidation states in compounds: +1
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