 |
| 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) |
|
