Polonium
Elemental State Po
Electron Configuration 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p4
First Ionization Potential 8.417 eV
Electron Affinity 1.9 eV (calculated)
Z*  
Pauling Electronegativity 2.0
Covalent Radius  
Metallic Radius  
Ionic Radius  
van der Waal's Radius  
Melting Point 254 oC
Boiling Point 962 oC
Density 9.32 g/cm3
Other Properties All isotopes are radioactive

208Po, half-life = 2.9 years

209Po, half-life = 102 years

210Po, half-life = 138.39 days