 |
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) |
|