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Ault, Addison – Journal of Chemical Education, 2004
A simple way to represent hemihedral faces and to illustrate the relationship between the resulting left-handed and right-handed hemihedra is presented. The illustrations highlight that the chirality corresponds to the absence of reflective symmetry but not necessarily to the absence of a C2 axis of symmetry.
Descriptors: Plane Geometry, Manipulative Materials, Geometric Concepts, Chemistry