Rutherfordium
Elemental State Rf
Electron Configuration   
First Ionization Potential  
Electron Affinity  
Z*  
Pauling Electronegativity   
Covalent Radius  
Metallic Radius  
Ionic Radius  
van der Waal's Radius  
Melting Point   
Boiling Point   
Density   
Other Properties Man made element, all isotopes are radioactive 

257Rf half-life = 4 - 5 seconds

260Rf half-life = 0.15 - 0.3 seconds