Tungsten
Elemental State W
Electron Configuration 1s22s22p63s23p63d104s24p64d104f145s25p66s25d4
First Ionization Potential 7.864 eV
Electron Affinity 0.815 eV
Z*  
Pauling Electronegativity 1.7
Covalent Radius 1.46 Å
Metallic Radius 1.41 Å
Ionic Radius 0.80 Å W4+ coordination number = 6

0.76 Å W5+ coordination number = 6

0.56 Å W6+ coordination number = 4

0.65 Å W6+ coordination number = 5

0.74 Å W6+ coordination number = 6

van der Waal's Radius   
Melting Point 3422 oC
Boiling Point 5555 oC
Density 19.3 g/cm3
Other Properties