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[–] 1 point 2 weeks ago (3 children)

Wouldn't oxygen in the air oxidize aluminum and create that layer regardless?

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  • [–] 1 point 2 weeks ago (2 children)
  • [–] 1 point 2 weeks ago* (last edited 2 weeks ago) (1 child)

    Explain.

    When exposed to atmospheric oxygen, pure metallic aluminum reacts almost immediately to form a dense, protective Aluminium oxide layer about 2 to 5 nanometers thick.

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