abdurazakleyla abdurazakleyla

13-05-2018
Chemistry

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What is the oxidation number for Al in Al₂O₃?

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mkryukova19 mkryukova19

13-05-2018

Oxygen in oxides has oxidation number -2.

Al⁺³₂O⁻²₃

+3*2 -2*3=0

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