Which of the Following Statements About the Packing of Monatomic

question 6

Multiple Choice

Which of the following statements about the packing of monatomic solids with different unit cells is incorrect?

• A)The coordination number of atoms in hcp and fcc structures is 12.
• B)The coordination number of atoms in simple cubic structures is 6.
• C)The coordination number of atoms in bcc structures is 8.
• D)A bcc structure has a higher packing efficiency than a simple cubic structure.
• E)A bcc structure has a higher packing efficiency than a fcc structure.

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