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Information valid for Al-27 unless otherwise noted

Basic Information

Symbol: Al
Atomic Number: 13
Mass: 26.981539
Melting Point: 660.37 C
Boiling Point: 2467.0 C
Number of Protons/Electrons: 13
Number of Neutrons: 14
Classification: Other Metals
Crystal Structure: Cubic
Density @ 293 K: 2.702 g/cm3
Color: Silver
British Spelling: Aluminium
IUPAC Spelling: Aluminium

Atomic Structure

[Bohr Model of Aluminum]
Number of Energy Levels: 3

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 3


Isotope Half Life
Al-26 730000.0 years
Al-27 Stable
Al-28 2.3 minutes


Date of Discovery: 1825
Discoverer: Hans Christian Oersted
Name Origin: From the Latin word alumen
Uses: airplanes, soda cans
Obtained From: bauxite

Related Links

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  1. Chemical Of The Week -- Aluminum
  2. Aluminum Industry WWW Server