The most space efficient arrangement of spheres is found in which type of unit cell? A)...
The most space efficient arrangement of spheres is found in which type of unit cell? A) Face-centered cubic B) Body-centered cubic C) Simple cubic D) Face-centered cubic and body-centered cubic E) Body-centered cubic and simple cubic and why explain?
Homework Answers
The packing fraction in simple cubic unit cell = 52%
The packing fraction in face-centered cubic unit cell = 74%
The packing fraction in body-centered cubic unit cell = 68%
Therefore, the most space efficient arrangement of spheres is found in face-centered cubic unit cell (74%), i.e. option A.
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48. The most space efficient arrangement of spheres is found in which type(s) of atom arrangement? I. hexagonal close-packed II. cubic close-packed III. simple cubic IV. body-centered cubic A. I only B. II only C. I and II D. IV only E. I, II, and IV found in which of the following crystalline lattices (2 points 1. The most efficient packing of atoms is found in 1) Simple Cubic 10) Face Centered Cubic 1)...
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which one is correct answer? thanks
48. The most space efficient arrangement of spheres is found in which type(s) of atom arrangement? I. hexagonal close-packed II. cubic close-packed III. simple cubic IV. body-centered cubic A. I only B. II only C. I and II D. IV only E. I, II, and IV found in which of the following crystalline lattices (2 points 1. The most efficient packing of atoms is found in 1) Simple Cubic 10) Face Centered Cubic 1)...
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