How does a crystal lattice differ from a simple ionic pair?

• A. A crystal lattice is a 2D arrangement of ions, while a simple ionic pair is a 3D structure.
• B. A crystal lattice is a 3D arrangement of ions, while a simple ionic pair is just one cation and one anion.
• C. A crystal lattice is a single molecule, while a simple ionic pair is a collection of molecules.
• D. A crystal lattice contains only cations, while a simple ionic pair contains both cations and anions.

Answer: (B)