The Crystalline Structure Known as Hexagonal Close-Packed

question 21

Multiple Choice

The crystalline structure known as hexagonal close-packed

• A)is characterized by the stacking of identical spheres.
• B)occurs when every ion has eight nearest-neighbor ions of opposite charge.
• C)corresponds to an alternating pattern of ions.
• D)occurs when an ion of either kind has six nearest neighbors of the other kind.
• E)None of these is correct.

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