Concept explainers
(a)
Interpretation:
Whether the statement that cesium chloride has chloride ions at corners and cesium ion at body center thus has body-centered unit cell is true or false has to be determined.
Concept Introduction:
Unit cell represents lattice structure if it stacked together repeatedly with no gaps and rotations. This can also produce whole crystals by stacking method. Basic type of unit cells is as follows:
1. Simple cubic (SC).
2. Body centered cubic (BCC).
3. Face centered cubic (FCC).
(b)
Interpretation:
Whether the statement that density of unit cell must be same as density of material is true or false has to be determined.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
Whether the statement that when x-rays are passed through a single crystal of a compound, the x-ray beam will be diffracted because it interacts with the electrons in the atoms of the crystal is true or false has to be determined.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
Whether the statement that all the angles of a unit cell must be equal to
Concept Introduction:
Refer to part (a).

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Chapter 3 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 2TERM
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