Concept explainers
Interpretation:
The geometries of simple cubic unit cell, body-centered cubic unit cell and face-centered cubic unit cell have to be described.
The types of unit cells that have highest density and lowest density have to be determined.
Concept Introduction:
The simplest and basic unit of a crystalline solid is known as unit cell. It is cubic in shape. It is the building block of crystalline solids. The unit cells repeat themselves to build a lattice. Crystalline solids consist of many of such lattices. There are three types of unit cell – simple cubic unit cell, body – centered cubic unit cell and face – centered cubic unit cell.
Density of a unit cell depends upon the number of atoms occupied in it.
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