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Diatomic body-centered cubic crystal structure Consider a diatomic body-centered cubic crystal structure. The atoms at the corners of the cube have radii of 1.5 Å while those at the center of cube have radii of 3.0 A. Using hard-sphere r15A approximation, (a) Determine the lattice-constant a of the crystal. (b) Calculate the atomic packing factor for this crystal. (c) Calculate the number of atoms per em' of the crystal. (d) Calculate the number of atoms per cm? on the (111) plane of the crystal.

Diatomic body-centered cubic crystal structure Consider a diatomic body-centered cubic crystal structure. The atoms at the corners of the cube have radii of 1.5 Å while those at the center of cube have radii of 3.0 A. Using hard-sphere r15A approximation, (a) Determine the lattice-constant a of the crystal. (b) Calculate the atomic packing factor for this crystal. (c) Calculate the number of atoms per em' of the crystal. (d) Calculate the number of atoms per cm? on the (111) plane of the crystal.

Principles of Modern Chemistry
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
Chapter21: Structure And Bonding In Solids
Section: Chapter Questions
Problem 23P
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Diatomic body-centered cubic crystal structure Consider a diatomic body-centered cubic crystal structure. The atoms at the corners of the cube have radii of 1.5 Å while those at the center of cube have radii of 3.0 Å. Using hard-sphere approximation, (a) Determine the lattice-constant a of the crystal. (b) Calculate the atomic packing factor for this crystal. (c) Calculate the number of atoms per em of the crystal. (d) Calculate the number of atoms per cm? on the (111) plane of the crystal.
Transcribed Image Text:Diatomic body-centered cubic crystal structure Consider a diatomic body-centered cubic crystal structure. The atoms at the corners of the cube have radii of 1.5 Å while those at the center of cube have radii of 3.0 Å. Using hard-sphere approximation, (a) Determine the lattice-constant a of the crystal. (b) Calculate the atomic packing factor for this crystal. (c) Calculate the number of atoms per em of the crystal. (d) Calculate the number of atoms per cm? on the (111) plane of the crystal.
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