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	~~'''Inert gas''' refers to a gas that does not undergo chemical reactions under a set~~ of ~~given conditions. The noble gases often do not react with many substances and were historically referred to as the~~ inert gases~~. 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.~~		{{Short description\|An overview of inert gases and their applications}}

	== ~~Characteristics~~ ==		== Introduction ==
			[[File:Inert_gas_pipe_on_an_oil_tanker.jpg\|thumb\|right\|Inert gas piping on an oil tanker]]
			Inert gases are a group of gases that are non-reactive under a set of given conditions. These gases are characterized by their lack of chemical reactivity, which makes them useful in a variety of industrial and scientific applications. The most common inert gases are the [[noble gases]], which include [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], and [[radon]].

	Inert gases are ~~non-reactive~~, ~~or minimally reactive~~, ~~under normal conditions~~. ~~Their lack of reactivity is due to the fullness of their outermost~~ electron shells which makes them stable and unlikely to ~~form~~ chemical ~~bonds because~~ they ~~do not~~ need to ~~gain, lose, or share electrons~~.		== Properties ==
			Inert gases are typically colorless, odorless, and tasteless. They have complete outer electron shells, which makes them stable and unlikely to participate in chemical reactions. This stability is the reason they are often used in situations where reactions need to be prevented.

	== ~~Types of Inert Gases~~ ==		== Applications ==
			Inert gases have a wide range of applications due to their non-reactive nature:

	~~The noble~~ gases~~, including [[helium]], [[neon]]~~, [[argon]], [[~~krypton~~]], [[~~xenon~~]]~~, and [[radon]], are often considered to be inert gases due to their extreme stability~~ and ~~lack of reactivity under normal conditions. Other gases such as~~ [[nitrogen]] ~~can also be considered inert under certain conditions~~.		=== Industrial Uses ===
			Inert gases are commonly used in industrial processes to create non-reactive environments. For example, [[argon]] is often used in [[welding]] to protect the weld area from atmospheric gases such as [[oxygen]] and [[nitrogen]] that could cause defects in the weld.

	== ~~Uses of Inert Gases~~ ==		=== Scientific Research ===
			In scientific research, inert gases are used in [[gas chromatography]] as carrier gases. [[Helium]] is frequently used due to its low density and inertness.
	Inert gases have a variety of applications in industries such as welding, lighting, and the production of semiconductors. They are also used in the preservation of rare and reactive substances, and in processes that require an absence of reactive substances.

	~~=== Welding~~ ===

	~~Inert~~ gases ~~like argon and helium~~ are used in gas ~~tungsten arc welding and gas metal arc welding to shield the weld area from atmospheric gases.~~

	~~=== Lighting ===~~

	~~Noble~~ gases ~~are used in lighting because of their lack of reactivity~~. ~~Neon, for example,~~ is used ~~in neon signs~~ and ~~fluorescent lights~~.

	=== Preservation ===		=== Preservation ===
			Inert gases are used to preserve historical documents and artifacts. By displacing oxygen, they prevent oxidation and degradation. [[Nitrogen]] is often used in food packaging to extend shelf life by preventing spoilage.

	Inert gases are used in ~~the preservation of rare and reactive substances~~. ~~For example, nitrogen is used to preserve the freshness of packaged foods~~ by displacing ~~the~~ oxygen in the ~~package~~.		=== Fire Suppression ===
			Inert gases are used in fire suppression systems. They work by displacing oxygen, which is necessary for combustion, thus extinguishing the fire. Systems using inert gases are often employed in environments where water-based systems could cause damage, such as in data centers.
	~~== Safety ==~~

	~~While~~ inert gases are ~~generally non~~-~~toxic~~, ~~they can pose asphyxiation risks if they displace oxygen~~ in ~~the air to levels below what is necessary to sustain life~~.

	== ~~See Also~~ ==		== Safety Considerations ==
			While inert gases are non-toxic, they can pose asphyxiation hazards in confined spaces. This is because they can displace oxygen, leading to an environment where breathing is not possible. Proper ventilation and monitoring are essential when working with inert gases.

	* [[Noble ~~gases]]~~		== Related pages ==
	* [[Chemical reaction]]		* [[Noble gas]]
	* [[~~Electron shell~~]]		* [[Gas chromatography]]
	* [[Welding]]		* [[Welding]]
	* [[~~Lighting]]~~		* [[Fire suppression system]]
	* [[Preservation]]

	[[Category:Chemistry]]		[[Category:Chemistry]]
	[[Category:~~Industrial gases~~]]		[[Category:Gases]]
	~~[[Category:Safety]]~~

	~~{{stub}}~~

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2024-02-23T14:30:45Z

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'''Inert gas''' refers to a gas that does not undergo chemical reactions under a set of given conditions. The noble gases often do not react with many substances and were historically referred to as the inert gases. 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.

== Characteristics ==

Inert gases are non-reactive, or minimally reactive, under normal conditions. Their lack of reactivity is due to the fullness of their outermost electron shells which makes them stable and unlikely to form chemical bonds because they do not need to gain, lose, or share electrons.

== Types of Inert Gases ==

The noble gases, including [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], and [[radon]], are often considered to be inert gases due to their extreme stability and lack of reactivity under normal conditions. Other gases such as [[nitrogen]] can also be considered inert under certain conditions.

== Uses of Inert Gases ==

Inert gases have a variety of applications in industries such as welding, lighting, and the production of semiconductors. They are also used in the preservation of rare and reactive substances, and in processes that require an absence of reactive substances.

=== Welding ===

Inert gases like argon and helium are used in gas tungsten arc welding and gas metal arc welding to shield the weld area from atmospheric gases.

=== Lighting ===

Noble gases are used in lighting because of their lack of reactivity. Neon, for example, is used in neon signs and fluorescent lights.

=== Preservation ===

Inert gases are used in the preservation of rare and reactive substances. For example, nitrogen is used to preserve the freshness of packaged foods by displacing the oxygen in the package.

== Safety ==

While inert gases are generally non-toxic, they can pose asphyxiation risks if they displace oxygen in the air to levels below what is necessary to sustain life.

== See Also ==

* [[Noble gases]]
* [[Chemical reaction]]
* [[Electron shell]]
* [[Welding]]
* [[Lighting]]
* [[Preservation]]

[[Category:Chemistry]]
[[Category:Industrial gases]]
[[Category:Safety]]

{{stub}}

Inert gas - Revision history

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