Linked from
The 20 pages that link to Molecular symmetry, each with the reason it gives.
EnantiomerRelated: Symmetry can make a molecule achiral even when it contains stereocenters.
Point groupRelated: A molecule's point group summarizes its full symmetry.
Optical isomerismRelated: Symmetry can prevent a molecule from being chiral and optically active.
Meso compoundRelated: A symmetry operation can map one part of a meso molecule onto another.
NeopentaneRelated: Neopentane’s tetrahedral arrangement makes its four methyl groups equivalent.