| Definition | From "Alumen" or alum. Most abundant metallic element in the earth crust. strongly electropositive adn extremely reactive. Materialmade of aluminumdo not tarnish and crust. |
|---|---|
| Discovery | 1825 by Hans Christian Oersted of Denmark |
| Uses | Plane parts, Food wrapping, Glassmaking |
| Group of Elements | Basic Metals(Solid) |
| Atomic Weight | 26.98154 |
| Oxidation State | +3 |
| Melting Point | 660 |
| Boiling Point | 2467 |
| Density | 2.70 g/cm3 |
| Electronegativity | 1.5 |