noble gas


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noble 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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noble gas

[′nō·bəl ′gas]
(chemistry)
A gas in group 0 of the periodic table of the elements; it is monatomic and, with limited exceptions, chemically inert. Also known as inert gas; rare gas.
References in periodicals archive ?
In 2006, IMS noble gas equipment at Yellowknife, Canada, detected
Xenon is a noble gas, which means that it does not typically react with other elements.
The Centre de Recherches Ptrographiques et Gochimiques (Nancy, France), the PIs host institute, is the only laboratory that is equipped with static noble gas mass spectrometers for coupled N-noble analyses of small-sized samples, and with two secondary ionization mass spectrometers for non-destructive volatile element measurements.
Argon gas, the first noble gas discovered, is not in itself poisonous, but in high concentrations replaces oxygen, which results in asphyxiation.
The noble gas family of elements-helium, neon, argon, krypton, xenon, and radon--had previously been regarded as inert.
The Particulate, Iodine and Noble Gas Monitors and associated signal processing electronics from Mirion's MGPI-H&B product line provide critical process and event monitoring information necessary for the safe and efficient operation of the plant.
Contract notice: PURCH1382 A Noble Gas Focused Ion Beam Microscope System.
Einstein's invisible hand Controversial data suggest that effects from Einstein's theory of relativity might make element 114 behave like a noble gas rather than a metal (SN: 4/12/08, p.
The first achievement is Neil Bartlett's 1962 discovery of the first noble gas compound.
Introduction Atmospheric Gases Nitrogen, Oxygen and Argon Noble Gases Neon, Krypton and Xenon Noble Gas Helium Synthesis Gas: Hydrogen, Carbon monoxide and their Mixtures Carbon dioxide Liquefied Natural Gas Acetylene and Other Fuel Gases Special Gases Medical Gases Logistics
02 Contract Notice: PURCH1382 For the Provision of A Noble Gas Focused Ion Beam Microscope SystemTender documents available from Public Contracts Scotland.
Controversial data from an experiment in Dubna, Russia, suggest instead that effects from Einstein's theory of relativity might make the element's chemistry closer to that of a noble gas, like radon.