Aluminium (Aluminum) - ASCII Periodic Table of the Elements

ASCII PERIODIC TABLE OF THE ELEMENTS

  Al

Relative atomic mass: 26.9815386 ± 0.0000008

English: Aluminium (Aluminum)
French: Aluminium
Croatian: Aluminij
German: Aluminium
Italian: Alluminio
Spanish: Aluminio

Atomic number: 13
Group numbers: 13
Period: 3
Standard state (20 °C): solid

Discovery: 1825 Hans Christian Ørsted (DK)

Aluminium (or aluminum) was discovered by Hans Christian Ørsted (DK) in 1825. The origin of the name comes from the Latin word 'alumen' meaning 'alum'. It is a soft, lightweight, silvery-white metal. Exposed surfaces quickly form protective oxide coating. It reacts violently with oxidants. Aluminium is third most abundant element in the earth's crust. Aluminium is the most abundant metal to be found in the earth's crust, but is never found free in nature. Aluminium is obtained by electrolysis from bauxite. Aluminium used for many purposes from airplanes to beverage cans. It is too soft in its pure form so less than 1 % of silicon or iron is added, which hardens and strengthens it.

Electronic configuration: [Ne] 3s² 3p¹
Formal oxidation number: +3
Atomic radius: 143.2 pm

Electronegativities: 1.61
Thermal conductivity: 237 W/(m K)
Electrical resistivity (20 °C): 2.65 μΩcm

Melting point: 660.32 °C
Boiling point: 2519 °C

Heat of fusion: 10.67 kJ/mol
Heat of vaporization: 290.8 kJ/mol
Heat of atomization: 324.01 kJ/mol