13 Al
Post-transition metal
Aluminum
Most abundant metal in the crust.
Properties of Aluminum
- Atomic number (Z)
- 13
- Symbol
- Al
- Atomic mass
- 26.982 g/mol
- Category
- Post-transition metal
- Group
- 13
- Period
- 3
- Electron configuration
- [Ne] 3s² 3p¹
- Electronegativity (Pauling)
- 1.61
- Atomic radius
- 118 pm
- First ionization energy
- 577 kJ/mol
- Melting point
- 933.47 K (660.3 °C)
- Boiling point
- 2792 K (2518.8 °C)
- Density
- 2.698 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1825
Frequently asked questions
What is Aluminum?
Aluminum (Al) is a post-transition metal, element number 13 on the periodic table. Most abundant metal in the crust.
What is the atomic number and atomic mass of Aluminum?
Aluminum has atomic number 13 and an atomic mass of about 26.982 g/mol.
What is the electron configuration of Aluminum?
The electron configuration of Aluminum is [Ne] 3s² 3p¹.
Where is Aluminum on the periodic table?
Aluminum sits in group 13, period 3, and is classified as a post-transition metal.