Compare the Packing Efficiency of Face-Centered Cubic Aluminum and Face-Centered

question 69

Multiple Choice

Compare the packing efficiency of face-centered cubic aluminum and face-centered cubic lead.

• A) The efficiency of packing in the aluminum unit cell is higher because the aluminum atom is larger.
• B) The efficiency of packing in the lead unit cell is higher because the lead atom is larger.
• C) The efficiencies of packing in the unit cells of these two metals are the same.
• D) The efficiency of packing in the aluminum unit cell is higher because the aluminum atom is smaller.
• E) The efficiency of packing in the lead unit cell is higher because the lead atom is smaller.

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