Concept explainers
Interpretation:
The length in picometers of unit-cell diagonal that passes through the center atom has to be given.
Concept Introduction:
Body-centered unit cell:
A body – centered cubic cell is a type of unit cell with atoms arranged in all the vertices of the unit cell and one atom at the center of the cube.
Figure 1
A body – centered cubic unit cell has its all the eight vertices arranged with atoms in it. Eight atoms are arranged in a simple cubic unit cell in eight vertices. Each atom in a vertex is shared by eight neighboring unit cells such that each cubic unit cell has
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General Chemistry: Atoms First
- The CsCl structure is a simple cubic array of chloride ions with a cesium ion at the center of each cubic array (see Exercise 69). Given that the density of cesium chloride is 3.97 g/cm3, and assuming that the chloride and cesium ions touch along the body diagonal of the cubic unit cell, calculate the distance between the centers of adjacent Cs+ and Cl ions in the solid. Compare this value with the expected distance based on the sizes of the ions. The ionic radius of Cs+ is 169 pm, and the ionic radius of Cl is 181 pm.arrow_forward• describe the arrangement of atoms in the common cubic crystal lattices and calculate the packing efficiency for a lattice.arrow_forward
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