Rhenium
Elemental State Re
Electron Configuration 1s22s22p63s23p63d104s24p64d104f145s25p66s25d5
First Ionization Potential 7.834 eV
Electron Affinity 0.15 eV (calculated)
Z*  
Pauling Electronegativity 1.9
Covalent Radius 1.59 Å
Metallic Radius 1.37 Å
Ionic Radius 0.77 Å Re4+ coordination number = 6
van der Waal's Radius  
Melting Point 3186 oC
Boiling Point 5596 oC
Density 21.02 g/cm3
Other Properties