Thulium
Elemental State Tm
Electron Configuration 1s22s22p63s23p63d104s24p64d105s25p66s24f13
First Ionization Potential 6.184 eV
Electron Affinity  
Z*  
Pauling Electronegativity 1.25
Covalent Radius   
Metallic Radius   
Ionic Radius   
van der Waal's Radius   
Melting Point 1545 oC
Boiling Point 1950 oC
Density 9.321 g/cm3
Other Properties