Most of the metals possess a face-centered crystal structure. Which of the following statements is not true about the structure? a. Each third layer sphere fits into a depression that is directly over a depression in the first layer b. It has a density lower than scc and bcc. c. It has a packing efficiency (74%) greater than scc and bcc. d. The atoms at the four corners of a face all "touch" the atom at the center of that face, but the atoms at the corners do not touch one another
Most of the metals possess a face-centered crystal structure. Which of the following statements is not true about the structure? a. Each third layer sphere fits into a depression that is directly over a depression in the first layer b. It has a density lower than scc and bcc. c. It has a packing efficiency (74%) greater than scc and bcc. d. The atoms at the four corners of a face all "touch" the atom at the center of that face, but the atoms at the corners do not touch one another
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter22: Inorganic Materials
Section: Chapter Questions
Problem 26P
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Most of the metals possess a face-centered crystal structure. Which of the following statements is not true about the structure?
a. Each third layer sphere fits into a depression that is directly over a depression in the first layer
b. It has a density lower than scc and bcc.
c. It has a packing efficiency (74%) greater than scc and bcc.
d. The atoms at the four corners of a face all "touch" the atom at the center of that face, but the atoms at the corners do not touch one another
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