Periodic Table of Elements showing metal elements


Atomic Number13
Molar Mass26.98 gmol-1
Electron Configuration[Ne]3s23p1
Normal Statesolid metal
Density @STP2.7 g cm-3
Melting Point660oC
Boiling Point2519oC
Stable Isotopes27Al
Atomic Radius143 pm
Ionic Radius53 (3+) pm
Electronegativity (Pauling)1.61
Ionization Energy (1st)577 kJ mol-1
Ionization Energy (2nd)1817 kJ mol-1
Ionization Energy (3rd)2745 kJ mol-1
Molar Heat Capacity24.4 J K-1mol-1
Standard Molar Entropy28.3 J K-1mol-1
Enthalpy of Fusion10.67 kJ mol-1
Enthalpy of Vapourization293.72 kJ mol-1

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