Practice: Hole Geometries in Crystals

The radius of a cation in a cubic ionic lattice is 70% smaller than the radius of the anion. The charges of the cation and anion are equal in magnitude. What type of hole is the cation likely to occupy?

  • AOctahedral
  • BBoth octahedral and cubic
  • CCubic
  • DTetrahedral
  • EBoth octahedral and tetrahedral

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