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Chemistry LibreTexts

5: Chapter 5 - Electrostatic Attractions among Ions

  • Page ID
    164351
    • 5.1: Ionic Bonding
      Atoms gain or lose electrons to form ions with particularly stable electron configurations. The charges of cations formed by the representative metals may be determined readily because, with few exceptions, the electronic structures of these ions have either a noble gas configuration or a completely filled electron shell. The charges of anions formed by the nonmetals may also be readily determined because these ions form when nonmetal atoms gain enough electrons to fill their valence shells.
    • 5.2: How Ionic Bonding Explains the Properties of Ionic Compounds
    • 5.3: Ionic radii and radius ratios
    • 5.4: Lattice Structures in Crystalline Solids
      The structures of crystalline metals and simple ionic compounds can be described in terms of packing of spheres. Metal atoms can pack in hexagonal closest-packed structures, cubic closest-packed structures, body-centered structures, and simple cubic structures. The anions in simple ionic structures commonly adopt one of these structures, and the cations occupy the spaces remaining between the anions.