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  1. How is Al2Cl6 covalent and Al2O3 ionic? - Chemistry Stack Exchange

  2. Compound name for Al2O3? - Answers

  3. Is al2o3 a ionic or covalent compound? - Answers

  4. What is name of the compound Al2O3? - Answers

  5. Why is Aluminium oxide amphoteric? - Chemistry Stack Exchange

  6. What is the oxidation number for Al2O3? - Answers

  7. AlCl3, Al2O3, Al (OH)3. What is more ionic? - Chemistry Stack …

  8. What is chemical formula of Bauxite? - Chemistry Stack Exchange

  9. inorganic chemistry - How can aluminium oxide be called an acid ...

  10. inorganic chemistry - when Al2O3 melts which bonds are broken ...