Aluminum (Al)
Aluminum is the most abundant metal in Earth's crust. It is lightweight, strong, and highly recyclable.
Properties of Aluminum
- Atomic number
- 13
- Category
- Post-Transition Metal
- Atomic mass
- 26.982 u
- Electron configuration
- [Ne] 3s² 3p¹
- Melting point
- 933.47 K (660.32 °C)
- Boiling point
- 2792 K (2518.85 °C)
- Density
- 2.698 g/cm³
- Electronegativity (Pauling)
- 1.61
- Appearance
- Silvery-gray metal
- Discovered by
- Hans Christian Ørsted (1825)
Facts about Aluminum
- Aluminum used to be more expensive than gold!
- Recycling one aluminum can saves enough energy to run a TV for three hours!
- Aluminum foil is usually less than 0.2mm thick!
- The tip of the Washington Monument is made of aluminum!