Chemistry - A Molecular Science
Chapter 8 Solid Materials 8.1 UNIT CELLS Solid materials can be classified as either crystalline or amorphous. Crystalline solid ...
8.2 CUBIC UNIT CELLS AND METALLIC RADII (a) (b) (c) Simple cubic (sc)Body-centered cubic (bcc)Face-centered cubic (fcc) Figure 8 ...
Chapter 8 Solid Materials 8.3 UNIT CELL STOICHIOMETRY (b) edge (c) corner (a) face Figure 8.5 Atoms in more than one unit cell ( ...
8.4 COORDINATION NUMBER AND GEOMETRY (a) (b) (c) (d) Figure 8.6 Coordination numbers (CN) and geometries a) CN = 4 is tetrahedra ...
Chapter 8 Solid Materials 8.5 DENSITY AND PACKING EFFICIENCY Density (d) is the mass-to-volume ratio of a substance (Equation 8. ...
Table 8.2 shows the unit cell types, metallic radii, and densities of selected metals that adopt cubic unit cells. Almost half o ...
Chapter 8 Solid Materials 8.6 BAND THEORY OF SIMPLE METALS The lattice sites of simple metals are occupied by metal atoms that a ...
Figure 8.8 extends the discussion to the case of a very large number of orbitals that would describe the delocalized orbitals in ...
Chapter 8 Solid Materials energy difference between the top of the valence band and the bottom of the conduction band is called ...
melting points are highest for ionic substances with small, highly charged ions that are closely packed. Table 8.3 Ionic Radii o ...
Chapter 8 Solid Materials 170 Figure 8.14 NaCl structure (a) (b) Figure 8.15 CsCl unit cells (a) CsCl in the NaCl structure. (b) ...
8.8 COVALENT SOLIDS (a) 1.4 A (b)3.4 A Figure 8.16 Ball-and-stick and space-filling models of graphite (a) Face of a portion of ...
Chapter 8 Solid Materials (a) (b) Figure 8.18 Carbon nanotube Space-filling model of tube is viewed down its axis (a) and along ...
between the solids formed from the Group 4 at oms (C, Si, and Ge) and those formed from compounds of Group 3 and Group 5 atoms r ...
Chapter 8 Solid Materials Chemistry can also take place inside the pores. Indeed, some reactions that occur with difficulty on t ...
makes them chemically important in separations and catalysis for the same reasons as zeolites. The major difference between them ...
Chapter 8 Solid Materials identical to Figure 8.24 except that space-filli ng representations are used rather than ball- and-sti ...
8.10 COMPARISON OF SOLID TYPES Table 8.4 Covalent and van der Waals radii in Å of selected nonmetals H r cov 0.32 r vdw 1.2 C N ...
Chapter 8 Solid Materials 8.11 CHAPTER SUMMARY AND OBJECTIVES Atoms in a metal pack like spheres to form the solid state. The ba ...
Chapter 8 Solid Materials Molecular solids are composed of molecu les or atoms that interact only through intermolecular interac ...
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