Tellerium
Elemental State Te
Electron Configuration 1s22s22p63s23p63d104s24p64d105s25p4
First Ionization Potential 9.010 eV
Electron Affinity 1.971 eV
Z*  
Pauling Electronegativity 2.1
Covalent Radius 1.36 Å
Metallic Radius  
Ionic Radius 2.07 Å Te2'– coordination number = 6
van der Waal's Radius 2.06 Å
Melting Point 449.51 oC
Boiling Point 988 oC
Density 6.24 g/cm3
Other Properties