Chapter 3
Aggregation of Atoms: TheBasis for Solid Materials
Learning Objectives
After careful study of this chapter, you should be able to do the following:
1. Identify and describe the essential characteristics of each of the four common states of matter and recognize the ways in which one can transform to another.
2. Explain the basis for atoms, ions, and molecules to aggregate to form solids with regular, repeating structures exhibiting long-range order.
3. Explain why atoms of metallic elements tend to aggregate to form close-packed three-dimensional arrays and identify, differentiate, and fully characterize the hexagonal close-packed (HCP) and face-centered cubic (FCC) crystal structures and their unit cells, as well as explain the ...
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