Question:

The degree of symmetry that the isometric crystal system possesses is

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The isometric (cubic) crystal system is the most symmetric of all the crystal systems. Its highest symmetry class shows the maximum number of symmetry elements.
Updated On: Jun 16, 2026
  • 23
  • 13
  • 1
  • 9
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The Correct Option is A

Solution and Explanation

Concept:
The isometric (cubic) crystal system is the most symmetric of all the crystal systems. Its highest symmetry class shows the maximum number of symmetry elements.

Step 1:
The holosymmetric (normal) class of the isometric system contains a centre of symmetry, several planes of symmetry, and many axes of symmetry.

Step 2:
Counting the symmetry elements in the isometric system, the total degree of symmetry comes to 23, which is the largest among the crystal systems.

Answer: Option (1) — 23.
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