Aluminium

ElementAluminiumSymbolAl
Atomic Number13Molar Mass26.98 gmol-1
Electron Configuration[Ne]3s23p1Normal Statesolid metal
Density @STP2.7 g cm-3Melting Point660oC
Boiling Point2519oCStable Isotopes27Al
Atomic Radius143 pmIonic Radius53 (3+) pm
Electronegativity (Pauling)1.61Ionization Energy (1st)577 kJ mol-1
Ionization Energy (2nd)1817 kJ mol-1Ionization Energy (3rd)2745 kJ mol-1
Molar Heat Capacity24.4 J K-1mol-1Standard Molar Entropy28.3 J K-1mol-1
Enthalpy of Fusion10.67 kJ mol-1Enthalpy of Vapourization293.72 kJ mol-1
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