Its ratio of specific heats has very nearly the ideal value 1.666, appropriate to a monatomic molecule.
The molecule of iodine, for example, is monatomic at 1200 C., but becomes diatomic at the ordinary temperature.
The cadmium molecule, as shown by determinations of the density of its vapour, is monatomic.
This information does not inform, since there is a vast number of monatomic alcohols and of every description.
If this should prove to be the case, it will favour the view that chlorine itself is molecular and not monatomic.
All of them are believed to be monatomic—that is to say, each of their molecules is composed of a single atom.
monatomic mon·a·tom·ic (mŏn'ə-tŏm'ĭk)
Occurring as single atoms.
Having one replaceable atom or radical.