inert gas

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inert gas
gas belonging to a group of gases once considered to be chemically inactive (i.e. helium, neon, radon)

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Inert gas
An inert gas is a gas which does not undergo chemical reactions under a set of given conditions. The noble gases often do not react with many substances. Inert gases are used generally to avoid unwanted chemical reactions degrading a sample. These undesirable chemical reactions are often oxidation and hydrolysis reactions with the oxygen and moisture in air. The term inert gas is context-dependent because several of the noble gases can be made to react under certain conditions.

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inert gas

Noun
1. any of the chemically inert gaseous elements of the helium group in the periodic table
(synonym) noble gas, argonon
(hypernym) chemical element, element
(hyponym) argon, Ar, atomic number 18


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inert gas
inert gas
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    inert gas
    n. ก๊าซเฉื่อย