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Radon

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Identification
Molecular formula
Rn
CAS number
10043-92-2
IUPAC name
radon
State
State

At room temperature, radon exists in a gaseous state. As a noble gas, it is inert and does not typically participate in chemical reactions.

Melting point (Celsius)
-71.00
Melting point (Kelvin)
202.15
Boiling point (Celsius)
-61.70
Boiling point (Kelvin)
211.50
General information
Molecular weight
222.02g/mol
Molar mass
222.0180g/mol
Density
0.0097g/cm3
Appearence

Radon is a colorless, tasteless, and odorless noble gas under normal conditions. It is invisible to the naked eye and cannot be detected without specialized equipment.

Comment on solubility

Solubility of Radon

Radon (222Rn) is a noble gas that is notorious for its unique properties regarding solubility. As a member of the group of elements known as the noble gases, radon has a number of characteristics that impact its interaction with solvents:

  • Inert Nature: Radon's chemically inert behavior means it does not easily dissolve in most solvents.
  • Low Solubility: It showcases very low solubility in water and is typically considered insoluble.
  • Solvents: In non-polar solvents, radon's solubility can be marginally higher, but still remains significantly lower compared to other gases.

To put this in perspective, it is often stated that while some gases readily dissolve in water, the solubility of radon is minimal, making it quite challenging to study its behavior in aqueous environments.

Moreover, when assessing its behavior in natural waters, radon's low solubility contributes to its rapid escape from aquatic systems into the atmosphere, which is significant in environmental studies.

In summary, radon exemplifies the phenomena wherein its noble gas nature leads to limited engagement with solvents, highlighting its *distinctive* role in various chemical contexts.

Interesting facts

Interesting Facts About Radon

Radon is a fascinating noble gas that stands out due to its unique properties and significant implications for health and the environment. Here are some intriguing aspects of this element:

  • Natural Occurrence: Radon is a naturally occurring gas formed through the decay of uranium and thorium in the Earth's crust. This process takes millions of years, making radon not only a product of radioactive decay but also a testament to the geological activity of our planet.
  • Health Hazards: Despite being colorless and odorless, radon poses serious health risks. It is the second leading cause of lung cancer after tobacco smoke. According to the U.S. Environmental Protection Agency, it is estimated that radon causes thousands of lung cancer deaths annually.
  • Inert Behavior: As a noble gas, radon is chemically inert, meaning that it does not readily react with other elements or compounds. This characteristic makes it unique compared to more reactive gases, such as chlorine or oxygen.
  • Use in Detection: Radon’s radioactive properties allow it to be used in various applications, including radon detection in homes and buildings. Devices that measure radon levels are critical for ensuring safe indoor air quality.
  • Anatomical Mysteriousness: The isotopes of radon, particularly 222Rn, have a half-life of just 3.8 days, which presents a challenge when studying its behaviors and trends in various environments. This ephemeral nature means that researchers must act quickly to gather accurate data.

In summary, while often overlooked due to its elusive characteristics, radon plays a profound role in both earth sciences and public health. Its compelling combination of natural occurrence, potential hazards, and entry into detection technologies makes it a subject of continued research and public awareness.

Synonyms
RADON
Alphatron
10043-92-2
Radon, radioactive
radon atom
Niton /(222)Radon
HSDB 6369
EINECS 233-146-0
UNII-Q74S4N8N1G
RADON [HSDB]
RADON [MI]
RADON-222 [IARC]
CHEBI:49997
DTXSID701015778
RADON-222 (IARC)
radon gas
DTXCID504295
233-146-0
14859-67-7
radon, isotope of mass 222
Rn
Radium emanation
Niton
Q74S4N8N1G
Niton /Radon-222/
radon hydride
radon(0)
[Rn]
86Rn
SCHEMBL53481
CHEBI:33314
SYUHGPGVQRZVTB-UHFFFAOYSA-N
Q1133