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Are Xenon Reactive

author
Elaine Sutton
• Saturday, 21 November, 2020
• 8 min read

Xenon is one of the inert or noble gases and is odorless, colorless, tasteless and chemically non- reactive. (Image credit: Greg Robson/Creative Commons, Andrei MarincasShutterstock) Xenon was discovered by Scottish chemist William Ramsay and English chemist Morris Travels in July 1898 at the University College London.

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(Source: angstromengineering.com)

Contents

The pair already extracted argon, neon and krypton from liquid air. Their discovery came about when a wealthy industrialist, Ludwig MOND, gifted the team a new liquid-air machine.

Ramsay and Travels examined the heavier gas in a vacuum tube and saw that it emitted a beautiful blue glow. They categorized the new gas as inert and called it xenon, derived from the Greek “xenon,” which means stranger.

Another interesting compound is a metallic xenon created by using massive amounts of pressure. Xenon is a trace gas found in the Earth's atmosphere to the extent of about one part in 20 million, According to the Los Alamos National Laboratory.

For a long time, scientist suspected that 90 percent more of the gas should be found in the Earth's atmosphere, based on their knowledge of other noble gases. “The missing xenon paradox is a long-standing question,” said Yanking Ma, a computational physicist and chemist at Jilin University in Changchun, China.

“We do hope future high-pressure experiments can be carried out to confirm our predictions,” Ma said. Xenon creates a blue or lavender glow when subjected to an electrical discharge.

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(Source: www.chegg.com)

If you see headlights that give off a soft blue glow, they are probably made with xenon. It is used in nuclear energy plants and for filling television and radio tubes.

Xenon ion propulsion systems keep some satellites and other spacecraft in orbit. Xenon is even used to manufacture a drug called 5-fluorouracil, which is used to treat certain types of cancer, according to the Royal Society of Chemistry.

Neon, argon, krypton, helium and radon are also noble gases. Xenon atoms added to liquid helium are used to observe quantum tornadoes.

The reaction between xenon gas and fluorine, F 2, at 6 atmosphere pressure in a nickel contained affords largely the tetra fluoride xenon (IV) fluoride, Ref 4, but also some fluoride xenon (II) fluoride, Ref 2, and the hexafluoride xenon (VI) fluoride, Ref 6. At the time, it was thought to be completely UN- reactive, but in 1962 Neil Bartlett disproved this by forming a compound consisting of xenon, fluoride, and platinum.

Because Xe is not very abundant in our atmosphere, it is more expensive than most other gases and so is used in specialized applications. Thus, xenon's full set of valence electrons allows it to exist comfortably on its own.

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Another feature of xenon is that it's heavier than most of the gases in the air we breathe, which mostly contains nitrogen and oxygen. Once temperatures reach its melting point, which is about 161.4 K (approximately -111.8 °C or -169.2 °F), Xe exists as a light-blue solid.

Xe can be used in certain types of lamps, due to the blue glow it emits when electricity is applied. These lamps can be used to kill bacteria, which could be extremely helpful in disinfecting hospital rooms and equipment.

Because of xenon's inertness, it won't carry out reactions in your body, making it nontoxic. Most of the currently available anesthetics have a number of unpleasant side effects, making xenon an attractive alternative.

Another medical application of xenon is as an imaging agent in the heart, lungs, and brain. Another reason for its usefulness as an imaging agent is that, because it's a gas (until very low temperatures), it can fill empty cavities, and it can be dissolved in water, allowing it to easily reach many parts of your body.

Xenon (Xe) was discovered in 1898 and initially thought to be completely inert. Its atomic number is 54, and it is a member of the noble gases, which are found in Group 18 on the periodic table.

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Xenon is odorless, colorless, and heavier than the air found in our atmosphere. Because of its ability to emit light when electricity is added, it can be used in specialized lamps.

Xenon can also be used in certain medical applications, largely due to its lack of toxicity. This activity will help you assess your knowledge regarding the properties and uses of xenon.

To do this, print or copy this page on a blank paper and underline or circle the answer. Xenon is a chemical compound with the symbol Xe and atomic number 54.

William Ramsay and Morris Travels discovered xenon, which they thought was a completely nonreactive element. Xenon exists as a light-blue liquid at temperatures exceeding its melting point.

Noble gases are a group of fairly nonreactive elements that are colorless and odorless under ordinary conditions. As an imaging agent, xenon can fill empty cavities, dissolve in water, and be harmful to the body.

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(Source: owlcation.com)

False, because the correct statement is: Xenon is a chemical element with the symbol Xe and atomic number 54. False, because the correct statement is: Xenon exists as a light-blue solid at temperatures exceeding its melting point.

True False, because the correct statement is: As an imaging agent, xenon can fill empty cavities, dissolve in water, and be harmless to the body. Helium, neon, argon, krypton, xenon, and radon (all gases at room temperature) were viewed as the “loners” of the Periodic Table.

Their inertness became a basic tenet of chemistry, published in textbooks and taught in classrooms throughout the world. Conventional scientific wisdom held that the noble gas elements could not form compounds because their electronic structure was extremely stable.

They predicted that highly reactive atoms such as fluorine might form compounds with xenon, the heaviest of the noble elements and whose electrons, they observed, were not as tightly bound as those of the lighter gases. In 1961 Neil Bartlett was teaching chemistry at the University of British Columbia in Vancouver, Canada.

Some years earlier, while experimenting with fluorine and platinum, he had accidentally produced a deep-red solid whose exact chemical composition remained a mystery. With the assistance of his graduate student Derek Lehmann, he vigorously pursued the identity of the red solid.

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(Source: www.edplace.com)

“Because my co-workers at that time (March 23, 1962) were still not sufficiently experienced to help me with the glassblowing and the preparation and purification of PTF 6 necessary for the experiment, I was not ready to carry it out until about 7 p.m. on that Friday. The reaction took place at room temperature “in the twinkling of an eye” and was “extraordinarily exhilarating,” recalls Bartlett.

The prevailing attitude was that no scientist could violate one of the basic tenets of chemistry: the inertness of noble gases. That orange-yellow solid was subsequently identified in laboratory studies as xenon hexafluoroplatinate (Kept 6), the world's first noble gas compound.

Bartlett's experiment opened the door to a better understanding of the oxidation states of atoms and their possible reactions. In 2002, researchers at the University of Helsinki in Finland reported the formation of the first and only known argon compound (produced at extremely low temperatures).

Exciter lasers use compounds of argon, krypton or xenon to produce precise beams of ultraviolet light (when electrically stimulated) that are used to perform eye surgery for vision repair. Researchers recently succeeded in combining noble gases with hydrocarbons, a development that could lead to new and better synthetic approaches to some organic materials.

Noble gas compounds also show promise as green chemistry reagents that allow for more environmentally-friendly manufacturing processes. Bartlett believes even the highly fragile compounds being produced in Helsinki will provide benefits as yet unforeseen.

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(Source: www.wired.com)

All trace their legacy back to the pivotal moment in a chemistry lab at the University of British Columbia, when a clever young scientist turned conventional wisdom upside down with the help of a memorable experiment and changed the face of chemistry forever. One of his earliest, formative memories was of a laboratory experiment he conducted in a grammar school class as a twelve-year-old.

In the experiment, he mixed a solution of aqueous ammonia (colorless) with copper sulfate (blue) in water, causing a reaction which would eventually produce “beautiful, well-formed crystals.” 3 He could not have known that the event would vaguely foreshadow his famous experiment decades later in which he produced the world's first noble gas compound following a similarly stunning chemical reaction.

He began to immerse himself in chemistry to the extent that he built his own makeshift laboratory in his parent's home, complete with flasks and beakers and chemicals he purchased at a local supply store. That curiosity carried over into academic success and eventually earned him a scholarship for his undergraduate education.

Bartlett attended King's College in Durham (U.K.), where he received his Bachelor of Science degree in 1954 and his doctorate in 1958. That year Bartlett was appointed a lecturer in chemistry at the University of British Columbia in Vancouver, Canada, where he remained until 1966, eventually reaching the rank of full professor.

In 1966, he became a professor of chemistry at Princeton University while also serving as a member of the research staff at Bell Laboratories. Bartlett's fame goes beyond the inert gas research to include the general field of fluorine chemistry.

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(Source: images-of-elements.com)

Les composes DE gas rares ONT contribute à career DES agents servant Au treatment DE tumors ET ONT etc utilizes days LES lasers. Neil Bartlett with the International Historic Chemical Landmark plaque at the University of British Columbia.

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