Sodium
Elemental State Na
Electron Configuration 1s22s22p63s1
First Ionization Potential 5.139 eV
Electron Affinity 0.548 eV
Z* 2.507 (Clementi-Raimondi)
Pauling Electronegativity 0.93
Covalent Radius 1.54 Å
Metallic Radius 1.91 Å
Ionic Radius 1.13 Å Na+ coordination number = 4

1.14 Å Na+ coordination number = 5

1.16 Å Na+ coordination number = 6

1.26 Å Na+ coordination number = 7

1.32 Å Na+ coordination number = 8

van der Waal's Radius 2.27 Å
Melting Point 97.72 oC
Boiling Point 883 oC
Density 0.991 g/cm3
Other Properties