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monatomic

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monatomic

, monoatomic Chem
1. (of an element) having or consisting of single atoms
2. (of a compound or molecule) having only one atom or group that can be replaced in a chemical reaction
3. a less common word for monovalent
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

monatomic

[¦män·ə′täm·ik]
(chemistry)
Composed of one atom.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
For a pure monoatomic gas at low density, which has no rotational or vibrational degrees of freedom, thermal conductivity was calculated through a rigorous analysis by Brokaw [13]:
In theory, monoatomic metallic gold would possess the maximum stability.
Martin, Alcan International, this system uses "a closed-loop gas recirculation technique in which a probe is inserted in molten aluminum and a small volume of carrier gas is brought into contact with the metal and recirculated until an equilibrium level is achieved between the hydrogen gas content in the carrier gas and the monoatomic hydrogen content of the metal.
As radiative heat transfer is no longer efficient in the solar convective zone where heat transfer occurs by convection, we assumed the adiabatic gradient of a monoatomic gas for the solar photosphere.
For monoatomic fluids in equilibrium with its vapor at low pressures, the first assumption is easily fulfilled, as such vapor can be approximated as an ideal gas without introducing significant amount of errors.
Monoatomic hydrogen is removed in a mass transfer operation as [H.sub.2].
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