If Half of the Tetrahedral Holes in a Face-Centered Cubic

question 120

Multiple Choice

If half of the tetrahedral holes in a face-centered cubic unit cell are filled, what must be the stoichiometry of the ionic compound, written as nonhole sites:hole sites in lowest terms?

• A)2:1
• B)1:1
• C)1:2
• D)4:1
• E)2:3

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