monatomic gas


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monatomic gas

[¦män·ə¦täm·ik ′gas]
(chemistry)
A gas whose molecules have only one atom; the inert gases are examples.
References in periodicals archive ?
Case 2: Imagine that a monatomic gas molecule strikes wall molecule no.
Case 3: Imagine a rotating and translating monatomic gas molecule striking the wall.
In the laboratory environment positronium can be obtained by placing a source of free positrons into matter, a monatomic gas for instance.