Question

Redox reaction between aluminum and oxygen?

Answer 1

Answer:

Consider for example the reaction of aluminum metal to form alumina (Al2O3). ... This reaction shows aluminum metal being oxidized to form an aluminum ion with a +3 charge. The half-reaction below shows oxygen being reduced to form two (2) oxygen ions, each with a charge of -2.

Answer 2

This reaction shows aluminum metal being oxidized to form an aluminum ion with a +3 charge. The half-reaction below shows oxygen being reduced to form two (2) oxygen ions, each with a charge of -2. ... Notice that both half-reactions are shown as reductions -- the species gains electrons, and is changed to a new form.

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