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  1. Aluminum oxide bonding involves1234:
    • Ionic bonding between aluminum atoms (Al 3+) and oxygen atoms (O 2-).
    • Aluminum atoms donate their three outer electrons to oxygen atoms.
    • The resulting ions have stable electronic structures.
    • The strength of the ionic lattice depends on individual ionic charges and radii.
    Learn more:
    Aluminum oxide is an ionic compound formed from an electrostatic bond between two aluminum atoms which have lost 3 electrons each (Al 3+) and three oxygen atoms which have gained 2 electrons each (O 2-). The strength of the ionic lattice is a function of the individual ionic charges and their radii.
    www.ceramicsrefractories.saint-gobain.com/news-…
    Bonding in aluminium oxide, Al 2 O 3 The ionic bonding in Al2O3 also exhibits covalent character. However, unlike in silver chloride, the arrangement of ions means a sub-structure is unable to form. This means the ionic bonding is weakened by the polarising of the charged aluminium and oxide ions, and no covalent-type bonding system can form.
    www.chemistrystudent.com/covalentcharacter.html
    In terms of electron arrangement in the formation of the ionic compound aluminium oxide, two aluminium atoms donate their three outer electrons to three oxygen atoms. This results in two triple positive aluminium ions to three double negative oxide ions via electron transfer. All the ions have the stable electronic structure of neon 2.8.
    www.docbrown.info/page04/4_72bond2j.htm
    Aluminum Oxide is an ionic compound i.e. the bonds between aluminum and oxygen atoms are formed through the transfer of electrons from one atom to another atom.
    techiescientist.com/al2o3-lewis-structure/
     
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