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Aluminium

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  • Key Points: Aluminium
CISCE: Class 10

Key Points: Aluminium

  • Symbol and Properties: Aluminium (Al) is a silvery white metal with a specific gravity of 2.2 and a relative atomic mass of 27.
  • Atomic Details: It has an atomic number of 13, valency of 3, and an electronic configuration of 2, 8, 3.
  • Periodic Table Position: Aluminium is located in Period 3, Group IIIA (13) of the Periodic Table.
  • Abundance and Reactivity: It is the most abundant metal in the Earth's crust and is highly reactive, hence not found free in nature.
  • Discovery: Aluminium was discovered by Hans Christian Ørsted in 1825.
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