IGNOU MCH 18 2026 2027 - Differentiate between a Symmetry Element and a Symmetry Operation with

Question

Differentiate between a Symmetry Element and a Symmetry Operation with one example of each.

19 Aug 2026

Answer :

Word Count : 194

In quantum chemistry and group theory, a symmetry element is a geometrical entity, such as a point, axis, or plane, with respect to which a symmetry operation is performed. It remains fixed during the operation. Common symmetry elements are the centre of inversion, axis of rotation, and plane of reflection. A symmetry operation, on the other hand, is the actual movement or

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