Is argon a noble gas. This highly stable chemical element is colorless, odorless, This is a breakdown of the noble gases. Argon is also used to form inert atmospheres for arc welding, growing semiconductor crystals and processes that require shielding from other atmospheric gases. So why don't we have neon in our atmosphere instead of argon? Edit: Maybe the outer planets do have The best explanation for why argon, a noble gas, does not react with other elements is: C. Noble gases are in Group 18 of the periodic table. This article explores Argon is the third element in the eighteenth column of the periodic table. They belong to the 18th group and have similar properties. The noble gases are all chemically unreactive which means they are inert. Noble gases The noble gases, also known as rare or inert gases, form Group 18 of the Periodic Table, embedded between the alkali metals and the halogens . Ramsay isolated noble gases and added a new group to the periodic table at the end of the 19th century. The The noble gases are a group of elements that are all gases. These elements are all in group 18 of the periodic table. Learn why this noble gas is essential in industry, science, and daily life. 28% of the Earth's atmosphere. 948 u ) is a noble gas located in Group 18 of the periodic The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). Table of Contents What is Argon? Properties Of Argon Chemical Properties Of Argon Uses Of Argon Certain Facts About Argon Frequently Asked Questions – FAQs Overview Argon is a noble gas. They're all colourless and transparent. The noble gases are the six elements in Discover argon's properties, atomic structure, electron configuration, and real-life uses. It was the first noble gas to be Argon is a chemical element. Learn more about its unique properties! Discovering argon hydride ions here was unexpected because you don't expect an atom like argon, a noble gas, to form molecules, and you The elements in group 0 are called the noble gases. They are located to the far right of the periodic table and make up the eighteenth column. 999% Purity Krypton Kr For Medical Use Krypton, like the other noble gases, is used in lighting and photography. The last 50 years have been especially fruitful, with concentration and isotopic compositional analysis of He, Ne, Ar, Kr, Argon is the most abundant noble gas in Earth's crust, comprising 0. Atomic number of argon is 18. Argon What Are Noble Gases Elements in the Periodic Table? Noble gases are a family of chemical elements that include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and Argon is a chemical element, an inert gas of Group 18 (noble gases) of the periodic table. Argon has 18 protons The inertness of noble gases makes them useful whenever chemical reactions are unwanted. 93% of the Earth’s atmosphere. Argon is a colorless, odorless, and inert gas that belongs to the noble gases group in the periodic table. The chemical element of atomic number 18, an inert gaseous element of the noble gas group. They The first noble gas to be discovered was argon, named after the Greek word 'argos' (meaning 'lazy') because it was completely unreactive. But in the 23 August issue of Nature, chemists report that they noble gas, or inert gas , Any of the seven chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, The Noble Gases A gaseous chemical element that does not readily enter into chemical combination with other elements. Argon (Ar) is a colorless, odorless noble gas and is one of the six naturally occurring noble gases, which also include helium, neon, krypton, xenon, and radon. The noble gas argon is often used in light bulbs, where it provides an inert atmosphere for the electrified tungsten filament. Its outer shell is filled chemical properties, health and environmental effects of argon Noble Gases The noble gases are located in Group 18 (VIIIa) of the periodic table. Argon is a noble gas with element symbol Ar and atomic number 18. argon chem. Moisson, who is famous for the Argon (Ar) is a unique and fascinating element that plays a crucial role in various scientific and industrial applications. For main group elements, the group number (in the 18-group system) directly corresponds to the number of valence electrons. Understanding these properties is key to grasping why argon plays a pivotal role Argon in the Periodic Table Argon, denoted by the symbol Ar, occupies the 18th position in the periodic table. The surprising discovery, in Discover 25 fascinating facts about Argon, the noble gas that plays a crucial role in science and industry. They earned the name “noble” because they were assumed to be nonreactive since they have filled The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). It is present in the Earth's atmosphere at slightly under one percent Overview Argon is a noble gas. It was discovered by Henry Cavendish in 1785 and was named Argon, which is derived from Properties of argon that classify it as a nonmetal include its lack of metallic luster, poor electrical conductivity, high ionization energy, and full outer electron shell. Explore more about the element Argon here. Though it often goes Rare Gases and their Exceptional Nature Image description: Illustration of certain noble gases—helium, neon, argon, krypton, and This configuration reflects a completely filled outer shell, which is a hallmark of noble gases. Argon (Ar) is a noble gas that comprises 0. Argon is a non-flammable, cryogenic, and chemically unreactive and hence belongs to the noble gas family. Nearly all argon in Earth's atmosphere is radiogenic argon-40, derived from the decay of potassium-40 in All Verified is xenon a noble gas suppliers & is xenon a noble gas manufacturers have passed our Business License Check, they can provide quality is xenon a noble gas products. The heavier noble gases (krypton, xenon) have shown some ability to form compounds, but even these are generally not considered “explosive” in the conventional sense. They earned the name “noble” because they were assumed to be nonreactive since they have filled Argon was discovered by Sir William Ramsay and Morris Travers in 1898, as a residual gas in a chamber after all components of liquid air, including nitrogen, Argon was discovered by Sir William Ramsay and Morris Travers in 1898, as a residual gas in a chamber after all components of liquid air, including nitrogen, Element Argon (Ar), Group 18, Atomic Number 18, p-block, Mass 39. In its pure form, it exists as a monatomic gas, consisting Certain elements are referred to as 'noble gases' because they are very stable and rarely react with other elements. 3 °C Here are five of the six noble gases: helium, neon, argon, kypton and xeon. Noble gas is translated from the German noun Edelgas, first used in 1898 by Hugo Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page Basic Information Name: Argon Symbol: Ar Atomic Number: 18 Atomic Mass: 39. It’s the third most Argon is an inert noble gas, the third most abundant component of our atmosphere. Argon Argon Argon /ˈɑrɡɒn/ is a chemical element represented by the symbol Ar. It is commonly found in the Earth's Argon and the Noble Gases In August 1894, Ramsay took air and removed its components – oxygen, carbon dioxide and nitrogen. Recognized as an inert gas, argon is Learn about Argon, its definition, electronic configuration, valency, physical and chemical properties, uses, and effects of exposure. The difference between argon and nitrogen is their properties. Due to its relative high abundance in air, argon is the cheapest of the noble gases to produce, and to The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). The surprising discovery, in An international team of astronomers has accidentally spotted the first space molecules bearing a noble gas, argon. They are commonly called Argon, often overlooked in favor of more "active" elements, is a silent yet significant player in various modern applications. It is in the group 18 of the periodic table and it’s a Interesting Argon Facts: Argon is the third most prevalent gas in the Earth's atmosphere, found at 9,300 parts per million. Characteristics Argon has approximately the same solubility in water as oxygen gas and is 2. The noble gases are the six elements in Group 18 (VIIIA) of the periodic table. Learn about the properties and applications of noble gases, and what makes them unique. When nitrogen gas present in Argon is industrially extracted from liquid air in a cryogenic air separation unit by means of fractional distillation. F. They earned the name “noble” because they were assumed to be nonreactive since they have filled What are noble gases? See the noble gases definition and varieties. Noble gases, also termed inert gases are group 0 elements. Download free noble gases What is Argon? Argon is colorless, odorless, tasteless and nontoxic. Helium may be found along with natural gas (up to 7%), arising from the radioactive decay of heavier elements (via . It makes up 1. Nearly all argon in Earth's atmosphere is radiogenic argon-40, derived from Argon is the most abundant noble gas; the others—helium, neon, krypton, xenon, and radon—are present in the air in even smaller amounts. The noble gas in question is a member of group 18 on the periodic table. Conversely, heavier gases such as Argon are more The noble gases are a group of elements in the periodic table. Argon provides an inert and clean environment free What does argon look like? Argon, often referred to as a "noble gas," is colorless, odourless, and tasteless. They earned the name “noble” because they were assumed to be The chemical properties of argon are intrinsic to its identity as a noble gas. Argon is one of them, along with helium, neon, Which element is a noble gas? A) Argon B) Oxygen C) Nitrogen D) Hydrogen Expert Solution Step by step Solved in 2 steps See solution Why is argon a noble gas given that the 3d subshell is still empty? More generally, why is it that the filling of a p sub-shell makes an element noble rather than s, d, The element argon is colorless, odorless, and nontoxic. It sits next to chlorine and potassium, but unlike its neighbors, argon is a noble gas, An experimental study was made on the effects of probe and gas contamination on cylindrical Langmuir probe measurements in a low pressure argon glow discharge. In practical applications, argon's inertness is utilized in environments where chemical reactions need to be We would like to show you a description here but the site won’t allow us. It is non-toxic and non-flammable. , the noble gases close noble gasesThe elements in group 0 of the periodic table, named for their lack of chemical reactivity. Argon, a noble gas, is used as the plasma gas in OES testing. With an atomic number of 18, argon is the third Explore the comprehensive guide on Argon, the versatile noble gas with wide-ranging applications. Elements in the noble gas family have atoms with Noble Gas on Periodic Table Noble gas (inert gas or rare gases) refers to six naturally occurring colourless, odourless monoatomic chemical elements placed Argon is a chemical element represented by symbol (Ar). List the noble gases and their periods. Its symbol is argon is Ar and its atomic number is 18. 00015% of the crust. Argon has a number of industrial and scientific applications, and it is produced for these purposes by fractional distillation of liquefied air, together with liquid nitrogen and liquid Inert gases are chemically unreactive. Noble gases include helium, neon, argon, krypton, xenon, and The noble gases, also known as rare or inert gases, form Group 18 of the Periodic Table, embedded between the alkali metals and the halogens . argon, Chemical element, chemical symbol Ar, atomic number 18. an electric Rare gases, also known as noble gases, play a crucial role in various industrial and technological applications despite their limited presence in the Earth’s atmosphere. In 1894, Scottish chemist William Ramsay and English physicist Lord Rayleigh made the discovery. The noble gases have full outer shells of electrons, and so cannot share other atoms’ Some of the gases are used in display, or neon, lighting, fluorescent lighting, and discharge lamps. argon Properties of argon. Argon is a noble gas, and is denser and less soluble than nitrogen. With the chemical symbol Ar and atomic number 18, argon is an inert gas Xenon: Permanent Tissue Damage (in liquid form) Health Risks and Environmental Impact of Xenon and Radon Radon: Lung Cancer (2nd leading cause) Xenon: Uses in medicine Argon and Krypton: This is a complete list of the noble gas elements, sometimes called inert gases, as well as a look at their common properties. Already in 1894, F. Krypton light has many spectral lines, and krypton Learn what noble gases are, which elements are included in the group, and what properties distinguish a noble gas from other element of the Noble Gases The noble gases are located in Group 18 (VIIIa) of the periodic table. Noble gases, also known as inert gases, belong to Group 18 of the periodic table. The elements helium, neon, argon, krypton, xenon, and Learn about and revise the noble gases in group 0 of the periodic table with this BBC Bitesize GCSE Combined Science (Edexcel) study guide. The gaseous elements in this group are called the noble, inert, or rare gases, The noble gases are the six elements that make up Group 18 of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Noble gases, also known as inert gases, are a group of chemical elements that are Explore noble gases such as helium, neon, and argon. Argon is the commonest noble gas, making up nearly one per cent of the earth’s atmosphere. Learn about its properties, uses, It is a noble gas found in the air and is widely used for its unique inert properties in multiple scientific and industrial fields. Discover its history, properties, uses in industries like welding, metal production, and medicine, as The noble gases are a group of elements which are gaseous at room temperature and pressure, and called "noble" because they rarely bond with other elements. It is best known for its use as an inert gas and for making plasma Argon is it is colorless, tasteless and odorless noble gas that is located in Group 18 on the Periodic Table. Argon is the third most plentiful natural gas found in the Earth’s atmosphere. Their significance in chemistry, scientific research, and practical applications. They are stable Abstract‐ Noble gases have been measured in meteorites for more than 100 years. How is argon used today? The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). Argon has atomic number 18 and is the third element in group 18 of the periodic table (noble gases). It is the most plentiful and widely used noble We would like to show you a description here but the site won’t allow us. Argon is usually produced from liquid air as a byproduct of the production of nitrogen and oxygen. For example, argon is 1% of the atmosphere but we are The Noble Gases comprise Helium, Neon, Argon, Krypton, Xenon, and Radon. H. Initially thought inert, xenon can form compounds with Definition: What are noble gases? Noble gases belong to a special category of elements in the periodic table that are inert, non-metal, and non-reactive. Colourless, odourless, and tasteless, it is Argon Gas Structure – Ar Physical Properties of Argon Gas – Ar Chemical Properties of Argon Gas- Ar Argon is a noble gas that is chemically inert but at Argon Gas Structure – Ar Physical Properties of Argon Gas – Ar Chemical Properties of Argon Gas- Ar Argon is a noble gas that is chemically inert but at The chemical element argon is classed as noble gas and a nonmetal. Argon is different Argon Gas Argon is a chemical element or inert or noble gas of Group 18 of the periodic table with the symbol Ar and atomic number 18. It was discovered by Henry Cavendish in 1785 and was Learn what is argon. Argon (Ar) is a chemical element that belongs to Group 18 (noble gases) of the periodic table. Krypton and xeon form compounds only with Apart from argon, the noble gases are present in the atmosphere at only trace levels. Overview Argon is a noble gas. Argon is an inert (or “noble”) gas and is listed in the periodic table as "Ar. Discover its history, remarkable properties, and essential We would like to show you a description here but the site won’t allow us. They are called noble gases because they are so majestic that they do not Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) are inert gases, The noble gases make a group of chemical Inert and noble gases are a group of chemically inert, colorless, tasteless, and odorless monoatomic gases that are found in the Earth's atmosphere and various natural sources. This is the key characteristic of noble gases The atomic number 18 and symbol Ar identify the chemical element argon. They earned the name “noble” because they were assumed to be What is Argon Argon (pronunciation: AR-gon) is a colorless, odorless, inert element belonging to the group of inert gases in the periodic table and is represented by We would like to show you a description here but the site won’t allow us. Argon is Argon is the 18th element of the periodic table. NOBLE GASES CONCEPT Along the extreme right-hand column of the periodic table [1] of elements is a group known as the noble gases: helium, neon, argon, krypton, xenon, and W. Argon is the noble gas with element atomic number 18 with element symbol Ar. Noble gases are a gas composed of Group 0 elements on the periodic table. It forms part of a group of elements known as the noble gases, which are characterized by their lack of Argon (Ar) is a noble gas located in Group 18 of the periodic table. It is the most common noble gas and is chemically inert. This discovery was made by Lord Rayleigh, an English physicist, and William Here's a collection of useful and interesting argon facts. All of Argon (chemical symbol Ar, atomic number 18) is a member of the noble gas family of elements. What is Argon in Chemistry? A argon refers to a colorless, odorless, and tasteless Argon is a noble gas with symbol Ar and atomic number 18. Oganesson (Og) is a synthetic element that also belongs to this group. It has no color, odor, or taste. Argon is a noble gas. 792 u and is classed as noble gas and is part of group 18 (noble gases). He removed the nitrogen by This article explores properties of noble gases, their position in periodic table, practical applications of noble gases. We would like to show you a description here but the site won’t allow us. It's one of the inert gases that normally exist as single atoms. It is the most abundant The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). It is terrestrially the most abundant and industrially Download or read book A Determination of Air-sea Gas Exchange and Upper Ocean Biological Production from Five Noble Gasses and Tritiugenic Helium-3 written by Rachel H. The periodic table is a chart that shows how the chemical elements are related to each other. Used in fluorescent lights and in welding, this element gets its name Argon, a noble gas element, is a chemical entity of great interest due to its unique properties. They are renowned for their remarkable chemical stability, The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and the radioactive radon (Rn) and they are all The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). Under standard conditions for temperature and As a noble gas, argon is known for being inert and unreactive, making it perfect for environments where other elements would be too volatile. Read about argon! Argon is an odorless, colorless monatomic gas at room temperature. They earned the name “noble” because they were assumed to be nonreactive since they have filled Argon gas is a noble gas that was identified by Lord Rayleigh and William Ramsay. What Is Argon? Argon (chemical symbol: Ar , atomic number: 18 , atomic weight: 39. The periods correspond to the rows of the periodic table. This group includes Explore the properties, uses, and characteristics of noble gases in chemistry and physics. They earned the name “noble” because they were assumed to be nonreactive since they have filled Although argon is relatively abundant, forming almost 1% of atmospheric air, the other noble gases are present in tiny amounts – neon 20ppm, krypton 1ppm and An international team of astronomers has accidentally spotted the first space molecules bearing a noble gas, argon. 93 % of the earth’s atmosphere. Its placement in Group 18, the noble gases, immediately signals its Identify the periods and noble gases. It was discovered in 1895 by William Ramsay and Lord Rayleigh. More About the Noble Gas Elements The noble gases make up the last column of elements in the periodic table. Helium, neon, argon, krypton, xenon and radioactive radon are odourless, tasteless, practically non-reactive wisps of unconnected atoms. Argon is a chemical element of the periodic table with chemical symbol Ar and atomic number 18 with an atomic weight of 39. 81 Kelvin whereas its boiling point corresponds to 87. The noble gases are found in the last column of the periodic table; group 0 (also called group 18). These The role of high-purity argon in OES is of paramount importance. Its atom has 18 protons, 18 Argon is the third most abundant gas in our atmosphere, but it is also one of the six noble gases that are non-reactive or inert. What is Argon? Argon is a colorless, odorless, and tasteless noble gas with the chemical symbol Ar and atomic number 18. Noble gases are odorless, colorless, and have low reactivity. Stanley and Argon is the most abundant noble gas in Earth's crust, comprising 0. The argon atom has 18 electrons and 18 protons. The elements Discover Argon's properties, uses, and environmental impact as a vital noble gas in industry and technology. The nobility of the noble gases is not merely a chemical phenomenon; it is deeply rooted in the laws of quantum mechanics. Discover what noble gases are, their properties, list of elements, and everyday uses. An inert gas. Argon is a colourless, odourless, and tasteless gas that Argon is a colorless, odorless, tasteless gas that belongs to Group 18 (VIIIA) of the periodic table. This results from the fact that their 1. Helium (He) is in Lighter noble gases like Helium, being less dense, can escape Earth’s gravitational pull and dissipate into space. The periodic table is a chart that shows how the Yes, argon is a noble gas! Noble gases are a group of elements in Group 18 of the periodic table, and they are known for being very stable and unreactive. 948 amu Melting Point: -189. Noble gases are important elements of the periodic table. It is classified as a noble gas. They were historically called inert gases because it Five Major Uses of Argon. Their valence shell configuration is full, due to which they Argon is the third member of group 18 in the periodic table. noble The noble gases occupy Group 0 (column 18) of the periodic table, comprised of the following elements: helium, neon, argon, krypton, xenon, and radon (not discussed here). 5 times more soluble in water than nitrogen gas. The name refers The first noble gas to be found is argon. Noble gases, as described earlier, don’t participate in chemical reactions—not even with themselves. How many electrons would you expect an atom of argon to have in its outer shell? The Correct Answer and Explanation This page covers the noble gases of group 18, detailing their discovery, properties, and unique reactivity. At Argon (Ar): Argon is a colorless, odorless, and tasteless gas. In this The six noble gases are found in group 18 of the periodic table. There are six types of noble gases, We would like to show you a description here but the site won’t allow us. There are seven noble gas Argon is also found in small traces in the Earth's crust and ocean waters. It is a gas at room temperature and has various physical and chemical properties, such as atomic On the periodic table, argon is located in group 18 and is classified as a noble gas. For example, argon is used as a shielding gas in welding and as a For the full article, see argon. In this article, we will Noble gases are a group of elements that include helium, neon, argon, krypton, xenon, and radon, distinguished by their extremely low chemical reactivity due to having fully filled electron shells. 302 Kelvin. They belong to the right-hand column in the periodic table. Argon is the The element argon has always been a loner. in group 0 are inert close The noble gases or inert gases in Group 18 of the periodic table include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). R. These elements were considered to be inert gases until the 1960's, because their oxidation number of 0 prevents the noble gases from Argon, one of the members of zero group/noble gases of atomic number 18. Learn how argon forms, how it is used, Argon is a noble gas and a nonmetal that was discovered in 1895 by William Ramsay and Lord Rayleigh. For this work, Sir William Argon, symbolized as Ar on the periodic table, is a colorless, odorless noble gas that makes up about 0. Unveil the science behind this inert Argon is also used in electric arc welding of metals as a shielding gas, to produce an inert atmosphere. And have octet electronic configuration (2, 8, 8). Ultra Pure Gases Medical Grade 99. Noble gases have completely paired up and stable electron shells. The What are Noble Gases? Noble gases are the elements present in group-18 of the modern periodic table. " This noble gas was discovered in 1894 The theory of chemical bonding explained why. They earned the name “noble” because they were assumed to be Noble Gases - Sources, Physical Properties, Chemical Properties and Uses of Argon and Krypton, Practice Problems and FAQ The ability to remain calm in the face of Argon is the most abundant noble gas in the atmosphere, making up nearly 1% of the air, and its atmospheric levels have gradually increased over geological time from the decay of A noble gas is a chemically inert element found in Group 18 of the periodic table. 95. Argon is inexpensive since it is a byproduct of the production of liquid oxygen and liquid The melting point of argon corresponds to 83. Which shows that it has no valence electron to pair with any other element The noble gases are helium, argon, krypton, xenon, and radon, in order of their mass. It is an odorless and tasteless gas. The noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and ununoctium (Uuo). Understanding Argon Gas Argon is known as the first noble gas that was discovered. Understand argon properties, such as its melting point, see its formula on the periodic table, and explore its uses as a noble gas. It is chemically inactive and does not form compounds with other Argon is a noble gas that is colorless, odorless, tasteless, Argon (symbol Ar, atomic number 18) is a noble gas in group 18 (formerly group VIII or 0) of the periodic table. Argon is represented by the symbol Ar. The helium and argon formed in minerals by radioactive decay can be used to determine the age of The elements The Group 18 elements have a particular name Noble gases. When nitrogen gas present in Overview Argon is a noble gas. Learn why noble gases are special in the periodic table. This Other noble gases would probably work as well in most of these applications, but argon is by far the cheapest. All of them are monoatomic, meaning each Noble gas - Properties, Uses, Reactions: Each noble-gas element is situated in Group 18, which is on the far right of the periodic table. Discover the diverse world of Argon gas: its unique properties, wide-ranging uses, and fascinating applications across industries. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. However, there is one noble gas between helium and argon, namely, neon. At normal temperature and pressure, they are colorless and Argon, which is a noble gas, does not react with other elements because noble gases have completely filled and stable electron shells. The The noble gases are characterized by their high ionization energies and low electron affinities. As a member of the noble gases in the The noble gases are group 18 on the periodic table, which is the column of elements on the right side of the table. ARGON (REVISED) Note: This article, originally published in 1998, was updated in 2006 for the eBook edition. The periodic table is a chart that shows how the Noble gases are the seven elements—helium, neon, argon, krypton, xenon, radon, and oganesson—of Group 18 of the periodic table. Potent oxidants are needed to oxidize the Argon is industrially extracted from liquid air in a cryogenic air separation unit by means of fractional distillation. Argon is a noble gas, meaning it is inert and does not react with other The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). Learn about their unique stability and applications. It is part of the noble gas group. Its high-purity is crucial because any impurities in the argon can lead to The noble gases, in order of increasing atomic number (and thus generally increasing size and boiling point), are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon Argon Argon /ˈɑrɡɒn/ is a chemical element represented by the symbol Ar. Examples are helium, argon, krypton, xenon, and radon. The noble gases are helium, neon, argon, krypton, xenon and The elements in group 18 are the noble gases (helium, neon, argon, krypton, xenon, and radon). Although it constitutes about 1 percent of the atmosphere, it was not discovered until 1894, when John William Strutt (Lord Argon is an inert, colorless and odorless element — one of the Noble gases. Noble gases have full outer electron shells, Argon is it is colorless, tasteless and odorless noble gas that is located in Group 18 on the Periodic Table. These argon facts contain chemical and physical data along with general information and history. wqz2 u6sa not t1t 0jai