Mendelevium
Elemental State Md
Electron Configuration 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s25f13
First Ionization Potential 6.58 eV
Electron Affinity   
Z*  
Pauling Electronegativity   
Covalent Radius   
Metallic Radius   
Ionic Radius   
van der Waal's Radius   
Melting Point 827 oC
Boiling Point  
Density  
Other Properties Man made; all isotopes are radioactive

256Md half-life = 78 minutes 

258Md half-life = 51.5 days