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aluminium

Aluminium or aluminum is a chemical element; it has symbol??Al and atomic number??13. It has a density lower than other common metals, about one-third that of steel. Aluminium has a great affinity toward oxygen, forming a protective layer of oxide on the surface when exposed to air. It visually resembles silver, both in its color and in its great ability to reflect light. It is soft, nonmagnetic, and ductile. It has one stable isotope, 27Al, which is highly abundant, making aluminium the 12th-most abundant element in the universe. The radioactivity of 26Al leads to it being used in radiometric dating.

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Strings (4)

  • str_k__gdb_alternateName
    str.gdb:alternateName
    element 13|aluminum
  • str_k__gdb_atomicSymbol
    str.gdb:atomicSymbol
    Al
  • str_k__gdb_image
    str.gdb:image
    Aluminium bar surface etched.jpg
  • str_k__rdfs_comment
    str.rdfs:comment
    Aluminium or aluminum is a chemical element; it has symbol??Al and atomic number??13. It has a density lower than other common metals, about one-third that of steel. Aluminium has a great affinity toward oxygen, forming a protective layer of oxide on the surface when exposed to air. It visually resembles silver, both in its color and in its great ability to reflect light. It is soft, nonmagnetic, and ductile. It has one stable isotope, 27Al, which is highly abundant, making aluminium the 12th-most abundant element in the universe. The radioactivity of 26Al leads to it being used in radiometric dating.

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