Krypton
Elemental State Kr
Electron Configuration 1s22s22p63s23p63d104s24p6
First Ionization Potential 14.000 eV
Electron Affinity  
Z* 9.769 (Clementi-Raimondi)
Pauling Electronegativity  
Covalent Radius 1.15 Å
Metallic Radius  
Ionic Radius  
van der Waal's Radius 2.02 Å
Melting Point –157.36 oC
Boiling Point –153.22 oC
Density 3.733 g/L (0 oC)
Other Properties