The unpaired electrons cause radicals to be unstable and reactive.

The cross effect requires two unpaired electrons as the source of high polarization.

The presence of unpaired electrons can be indicated by a "'".

These molecules have an unpaired electron that makes them highly reactive.

Therefore, the separation between the lower and the upper state is for unpaired free electrons.

At this point the unpaired electrons can move between their two spin states.

Replies: A free radical is a species with one or more unpaired electrons.

A compound in which there are no unpaired electrons is said to be diamagnetic.

In organic chemistry, compounds with an unpaired electron are said to be free radicals.

The magnetic moment indicates the presence of two unpaired electrons.