Scandium(III) oxide has the C-M2O3 anatomy like the α-Mn2O3 which contains 6- alike metal centers. Scandium(III) oxide can be able by igniting the metal.
Scandium(III) oxide is amphoteric, abandoning in acids and alkalis.
It is adapted into scandium(III) chloride by acknowledgment with balance aqueous HCl or aqueous HCl/NH4Cl mixtures.
With alkalis it forms scandate salts, clashing its college homologues yttrium oxide and lanthanum oxide, for archetype basic K3Sc(OH)6 with KOH. In this, scandium shows added affinity with aluminium oxide.
It is adapted into the Lewis acerbic scandium(III) triflate by acknowledgment with triflic acid.
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