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Argon fluorohydride

 

 
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Argon fluorohydride
 
 
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Argon fluorohydride (HArF) is the first known compound of the chemical element
Chemical element

A chemical element is a type of atom that is distinguished by its atomic number; that is, by the number of protons in its atomic nucleus. The term is also used to refer to a pure chemical Chemical substance composed of atoms with the same number of protons....
 argon
Argon

Argon is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table ....
.

discovery of this first argon
Argon

Argon is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table ....
 compound is credited to a group of Finnish scientists, led by Markku Räsänen. On 24 August 2000, in the journal Nature
Nature (journal)

Nature is a prominent scientific journal, first published on 4 November 1869. Although most scientific journals are now highly specialized, Nature is one of the few journals, along with other weekly journals such as Science and Proceedings of the National Academy of Sciences, that still publishes original research articles ac...
, they announced their discovery of argon fluorohydride.

chemical was synthesized by mixing argon and hydrogen fluoride
Hydrogen fluoride

Hydrogen fluoride is a chemical compound with the chemical formula HF. It is the principal industrial source of fluorine, often in the aqueous form as hydrofluoric acid, and thus is the precursor to many important compounds including pharmaceuticals and polymers ....
 on to caesium iodide
Caesium iodide

Caesium iodide is an ionic compound often used as the input phosphor of an x-ray image intensifier tube found in fluoroscopy equipment.An important application of caesium iodide crystals, which are scintillators, is electromagnetic Calorimeter in experimental particle physics....
 at -265 °C and exposing the mixture to ultraviolet radiation.






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Encyclopedia


Argon fluorohydride (HArF) is the first known compound of the chemical element
Chemical element

A chemical element is a type of atom that is distinguished by its atomic number; that is, by the number of protons in its atomic nucleus. The term is also used to refer to a pure chemical Chemical substance composed of atoms with the same number of protons....
 argon
Argon

Argon is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table ....
.

Discovery

The discovery of this first argon
Argon

Argon is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table ....
 compound is credited to a group of Finnish scientists, led by Markku Räsänen. On 24 August 2000, in the journal Nature
Nature (journal)

Nature is a prominent scientific journal, first published on 4 November 1869. Although most scientific journals are now highly specialized, Nature is one of the few journals, along with other weekly journals such as Science and Proceedings of the National Academy of Sciences, that still publishes original research articles ac...
, they announced their discovery of argon fluorohydride.

Synthesis

This chemical was synthesized by mixing argon and hydrogen fluoride
Hydrogen fluoride

Hydrogen fluoride is a chemical compound with the chemical formula HF. It is the principal industrial source of fluorine, often in the aqueous form as hydrofluoric acid, and thus is the precursor to many important compounds including pharmaceuticals and polymers ....
 on to caesium iodide
Caesium iodide

Caesium iodide is an ionic compound often used as the input phosphor of an x-ray image intensifier tube found in fluoroscopy equipment.An important application of caesium iodide crystals, which are scintillators, is electromagnetic Calorimeter in experimental particle physics....
 at -265 °C and exposing the mixture to ultraviolet radiation. This causes the gases to react to form argon fluorohydride.

Examining the infrared spectrum
Infrared spectroscopy

Infrared spectroscopy is the subset of spectroscopy that deals with the infrared region of the electromagnetic spectrum. It covers a range of techniques, the most common being a form of absorption spectroscopy....
 of the substance, they found that chemical bonds had formed, albeit very weak ones, so long as the substance was kept at temperatures below -256°C. Upon warming it decomposes into argon and hydrogen fluoride.