rare gas


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rare gas:

see inert gasinert gas
or noble gas,
any of the elements in Group 18 of the periodic table. In order of increasing atomic number they are: helium, neon, argon, krypton, xenon, and radon. They are colorless, odorless, tasteless gases and were once believed to be entirely inert, i.e.
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.

rare gas

[′rer ′gas]
(chemistry)
References in periodicals archive ?
For all the spectra reported here the electron spectrometer resolution was determined from the rare gas calibration to be 41 meV for the fixed analyser and 46 meY for the rotatable analyzer.
Over the last decade there has been a considerable experimental and theoretical interest in the open shell Van der Waals complex of rare gas atoms with the diatomic free OH radical.
The General Conference of Weights and Measures set the standard meter equal to 1,650,763.73 wavelengths of one of the spectral lines of an isotope of the rare gas krypton.
Rare gas solids make ideal buffers because they do not modify the substrate and canbe easily desorbed, Weaver says.
Only a handful of facilities in the US produce these gases, since large ASUs (Atmospheric Separation Units) such as those with liquid oxygen production capacity of more than 2,000 TPD (Tons per Day) are required for rare gas production.
"Once the quacks have soundly thrashed this thing I shall return like a rare gas and as if out of a trap.