opera.com

Reader mode

RADON: The Radioactive Noble Gas

Sofhaallow 2d

View pictures in App save up to 80% data.

Discovery

It was first discovered by Frendrich E. Dorn from Germany in 1900 while working with the element radium. Later in 1908, Robert Gray and William Ramsay isolated the gas which was named as niton. The gas has been called as radon by IUPAC (International Union for Pure and Applied Chemistry) since 1923.

Melting And Boiling Point

Melting point: -71°c or 202k.

Boiling point: -61.7°c or 211.3k.

Uses

Radon decays into radioactive polonium and alpha particles. This emitted radiation made radon useful in cancer therapy.

It was used in some hospitals to treat tumour by sealing the gas in minute tubes, and implanting these into the tumour, treating the disease in situ.

It is used to predict earthquakes, in the study of atmospheric transport, and in exploration for petroleum.

Occurrence

It is a naturally occurring radioactive gas and comes from the natural breakdown (radioactive decay) of uranium. It is usually found in igneous rocks and soil, but in some cases, well water may also be a source of radon.

Properties

It is colourless at standard temperature and pressure and it is the most dense gas known. At temperature below it's freezing point, it has a brilliant yellow phosphorescence. It is chemically unreactive, it is highly radioactive and has a short half life.

Allotropes

None.

Symbol

Rn

Like Sofhaallow on Facebook through:

https://m.facebook.com/ariquater/?ref=opera_speed_dial

OR

Join group through:

https://m.facebook.com/groups/577137899535238?refid=27&ref=opera_speed_dial

Source: opera.com
The views expressed in this article are the writer's, they do not reflect the views of Opera News. Read more>>

Less Data,More News — Less than 1MB