1.Symmetry elements and symmetry operations symmetry operation .A action that leaves an object the same after it has been carried out is called symmetry operation. Example: Any rotation of sphere around axis through center brings sphere over into itselfsymmetry operation •A action that leaves an object the same after it has been carried out is called symmetry operation. Any rotation of sphere around axis through center brings sphere over into itself Example: 1. Symmetry elements and symmetry operations