Aluminum
Elemental State Al
Electron Configuration 1s22s22p63s23p1
First Ionization Potential 5.986 eV
Electron Affinity 0.441 eV
Z* 4.066 (Clementi-Raimondi)
Pauling Electronegativity 1.61
Covalent Radius 1.18 Å
Metallic Radius 1.43 Å
Ionic Radius 0.53 Å Al3+ coordination number = 4

0.62 Å Al3+ coordination number = 5

0.675 Å Al3+ coordination number = 6

van der Waal's Radius  
Melting Point 660.32 oC
Boiling Point 2519 oC
Density 2.6989 g/cm3
Other Properties