Chemistry, 19.12.2019 01:31 asiababbie33
The al2o3 crystal structure (corundum) consists of an hcp arrangement of o2- ions; the al3+ ions occupy octahedral positions. what fraction of the available octahedral positions are filled with al3+ ions? in corundum, the al3+ ions do not fill the tetrahedral positions.
Answers: 1
ions is 
crystal structure consists of an HCP arrangement of 
ions.
ions are present = 4
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The al2o3 crystal structure (corundum) consists of an hcp arrangement of o2- ions; the al3+ ions oc...
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