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2.3 Structure of Ionic Solids

Part of Compound Structure and Properties in AP® Chemistry. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Ionic Solids

Ionic solids are made up of a vast network of cations and anions held together by strong ionic bonds in a repeating three-dimensional structure called a crystal lattice. Ionic solids have high lattice energy, which is the energy required to separate one mole of an ionic compound into its gaseous ions. Lattice energy increases as charge increases and decreases as radius increases.

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