Discovered By: Hans Christian Orsted
Discovery year: 1825

The following table showing some properties of Aluminium(Al):

Table Example
Atomic number 13
Group 13
Period 3
Block p
Electrons 13
Protons 13
Neutrons 14
atomic weight 26.9815
Oxidation states +3
Ionic charge Al^3+


Table Example
Electrons per shell K2 L8 M3
Electron configuration 1s^2 2s^2 3s^2 3p^1
Atomic radius 118 pm
Covalent radius 121 pm
Boiling point 2519°C
Melting point 660.32°C
Phase Solid
Fusion heat 10.7 kJ.mol^-1
Specific heat 904 J.kg^-1.k^-1
Thermal expansion 2.31*10^-5 K^-1


Table Example
Vaporization heat 293 kJ.mol^-1
color Silver
Brinell hardness 245 MPa
Bulk modulus 76 GPa
Density 2700 kg.m^-3
Liquid density 2375 kg.m^-3
Mohs hardness 2.75
Poisson ratio 0.35
Shear modulus 26 GPa
Sound speed 5100 m.s^-1


Table Example
Thermal conductivity 235 W.m^-1.K^-1
Vickers hardness 167 Mpa
Young's modulus 70 Gpa
electrical conductivity 3.8*10^7 S.m^-1
Electric type Conductor
Magnetic type Paramagnetic
Electronegativity 1.61
Valence 3
Radioactive No
Neutron cross section 0.233 barn