In the reflection operation (o)th e molecule contains a mirror plane. If details
such as hair style and location of internal organs are ignored, the human body has a leftright
minor plane, as in Figure 4-3. Many molecules have mirror planes, although they
may not be immediately obvious. The reflection operation exchanges left and right, as if
each point had moved perpendicularly through the plane to a position cxactly as far from
the plane as when it started. Linear objects such as a round wood pencil or molecules