Aluminium Element Properties

Aluminium

s12
Mg
Magnesium
p13
Al
Aluminium
p14
Si
Silicon
General
Name(Aluminium)
Symbol(Al)
Number(13)
Group Number(13)
Group( Metal)
Block(p)
Density(2.702 g/cm3)
Atomic Weight(26.98154 g/mol)
Atomic Volume(10.0 cm3/mol)
Discover(1825)


States
State(Solid)
Melting Point(933.47 K)
Boiling Point(2792 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(10.71 kJ/mol)
Heat of Vaporization(294.0 kJ/mol)


Energies
First Ionization Energy(577.6 kJ/mole)
Second Ionization Energy(1816.6 kJ/mole)
Third Ionization Energy(2744.7 kJ/mole)
Electronegativity(1.61)
Electron Affinity(42.6 kJ/mole)
Specific Heat(0.90 J/gK)
Heat Atomization(326 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,3)
Electron Configuration([Ne] 3s2 3p1)
Minimum Oxidation Number(0)
Maximum Oxidation Number(3)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(3)


Appearance and Characteristics
Crystal Structure(face centered cubic)
Characteristics(passivated: surface oxide)
Color(silvery)
Uses(Al cans & foil,reflectors)
Hardness(2.8 mohs)
Toxicity(None)


Reactions
Reaction with Air(mild, w/ht =>Al2O3)
Reaction with 6M HCl(mild, =>H2, AlCl3)
Reaction with 15M HNO3(passivated)
Reaction with 6M NaOH(mild, =>H2, [Al(OH)4]-)


Other Forms
Number of Isotopes(1)
Hydride(AlH3)
Oxide(Al2O3)
Chloride(AlCl3Al2Cl6)


Radius
Atomic Radius(143 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(67.5 pm)


Conductivity
Thermal Conductivity(237 J/m-sec-deg)
Electrical Conductivity(376.676 1/mohm-cm)
Polarizability(8.3 A3)


Abundance
Source(Bauxite (oxide))
Relation Abundance Solar System(4.929 log)
Abundance Earths Crust(4.9 log)


s12
Mg
Magnesium
p13
Al
Aluminium
p14
Si
Silicon

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