KBr Crystallizes in a Cubic Unit Cell with Br^- Ions

question 82

Multiple Choice

KBr crystallizes in a cubic unit cell with Br^- ions on each corner and each face.How many K⁺ ions and Br^- ions are in each unit cell of KBr?

• A)1 K⁺ ion and 1 Br^- ion
• B)2 K⁺ ions and 2 Br^- ions
• C)4 K⁺ ions and 4 Br^- ions
• D)8 K⁺ ions and 8 Br^- ions

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