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Unit Cell

Q. Which of the following statements concerning a metal crystallized in a face-centered cubic cells/are CORRECT? 1. One metal atom is located on each face of the unit cell, where it is shared equally between four unit cells. 2. One metal atom is located at the center of the unit cell. 3. A metal atom is located at each of the eight lattice points, where it is shared equally between eight unit cells. A. 1 only B. 2 only C. 3 only D. 1 and 3 E. 1,2 and 3

Solved • Apr 20, 2020

Unit Cell

Q. How many unit cells share an atom which is located at a corner (or lattice point) of a unit cell? A. 1 B. 2 C. 4 D. 6 E. 8

Solved • Apr 20, 2020

Unit Cell

Q. The total number of nearest neighbor atoms surrounding a given atom in a closest packed lattice is A. 2 B. 4 C. 6 D. 8 E. 12 F. 16

Solved • Apr 20, 2020

Unit Cell

Q. Which equation represents the number of atoms in a primitive cubic cell unit cell? A. # atoms = 1/8 (8) B. # atoms = 1/4 (8) C. # atoms = 1 + 1/8 (8) D. # atoms = 1/2(6) + 1/8 (8) E. # atoms = 1 + 1/2(6) + 1/8 (8)

Solved • Apr 16, 2020

Unit Cell

Q. An atom located at the body center of a unit cell is shared equally between ____ unit cells. A. 1 (it occupies only the main unit cell, not it neighbors) B. 3 C. 4 D. 2 E. 8

Solved • Apr 16, 2020

Unit Cell

Q. Solid cadmium oxide has the same kind of crystal structure as NaCl which is pictured below: If the edge length of the unit cell is 468.9 pm, what is the density of CdO in g/cm^3.

Solved • Apr 6, 2020

Unit Cell

Q. Solid cadmium oxide has the same kind of crystal structure as NaCl which is pictured below: How many O2^- ions are there per unit cell in solid cadmium oxide? How many CdO formula units are there per unit cell?

Solved • Apr 6, 2020