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1	Chapter 4 Chemical Bonding: The Ionic Bond Model
2	Chemical Bonding: The Ionic Bond Model CO 4.1 Magnification of crystals of sodium chloride.
3	Lewis electron-dot symbols of selected elements Fig. 4.1 Lewis structures for selected representatives and noble-gas elements
4	Gilbert Newton Lewis
5	Formation of ions Fig. 4.3 Loss of an electron from a sodium atom leaves it with one more proton than electrons, so it has a net electrical charge of +1.
6	About the ions… CC 4.1 A Matter of Ions
7	Ionic solids and crystals
8	Noble gas electron configuration of ions
9	Structure of ionic solids Fig. 4.5 Cross section of the structure of the ionic solid NaCl.
10	Other crystalline solids Fig. 4.6 Ionic compounds usually have crystalline forms, such as in (a) fluorite and (b) ruby.
11	Colors of transition metal oxides
12	Metal cations with fixed charges
13	Poly atomic ions Fig. 4.9 Models of polyatomic ions: (a) a sulfate ion and (b) a nitrate ion.
14	Polyatomic ions Table 4.3
15	Structure of enamel CC 4.2 Tooth enamel
16	Naming ionic compounds CAG 4.2 Nomenclature of ionic compounds.