In crystalline structure, when the length of all axes and angles are unequal then crystal will be.
Correct answer: D. Triclinic
- A. Cubic
- B. Monoclinic
- C. Orthorhombic
- D. Triclinic
Explanation
In crystallography, the crystal system is determined by the lengths of the axes and the angles between them. The triclinic crystal system is characterized by:- All axes (a, b, and c) are of unequal length- All angles (α, β, and γ) are of unequal measure and not equal to 90°This means that the crystal has no symmetry or repeating pattern, and the axes are not perpendicular to each other.
This question appeared on the KMU MDCAT 2023 (retake) paper, which you can sit online with every answer explained.
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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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