In powdered form the angles and faces in a crystal are:
Correct answer: C. Unchanged
- A. Ruptured
- B. Changed
- C. Unchanged
- D. None of these
Explanation
Option C is correct as crystals have a 3D lattice structure that cannot be "changed" by turning a crystal into powder as the unit cell is "unchanged".
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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