Facts about the
Definition of the Element Radon
The Element Radon is defined as...
A colorless, radioactive, inert gaseous element formed by the
radioactive decay of radium. It is used as a radiation source in
radiotherapy and to produce neutrons for research.
Interesting Facts
about the Origin and Meaning of the element name Radon
What are the origins of the word Radon ?
The name originates from the Latin word 'nitens' meaning shining.
Facts about the
Classification of the Element Radon
Radon is classified as an element in the 'Noble Gases' section
which can be located in group 18 of the Periodic Table.
Brief Facts about the
Discovery and History of the Element Radon
Radon was discovered by Friedrich Ernst Dorn in 1900. William
Ramsay and Robert Whytlaw-Gray isolated it and gave it the name 'Niton'
in 1908. It has been called Radon since 1923.
Occurrence of the
element Radon in
the Atmosphere
One molecule of radon in 1 x 1021 molecules of air
Found in some spring waters and hot springs
Obtained from decay of radium
Common Uses of Radon
Treatment of cancer - radiotherapy
Produce neutrons for research
The Properties of the Element Radon
Name of Element : Radon
Symbol of Element : Rn
Atomic Number of Radon : 86
Atomic Mass: (222.0) amu
Melting Point: -71.0 °C - 202.15 °K
Boiling Point: -61.8 °C - 211.35 °K
Number of Protons/Electrons in Radon : 86
Number of Neutrons in Radon : 136
Crystal Structure: Cubic
Density @ 293 K: 9.73 g/cm3
Color of Radon : colorless
The element Radon and the Periodic Table
Find out more facts about Radon on the Periodic Table which
arranges every chemical element according to its atomic number, as
based on the periodic law, so that chemical elements with similar
properties are in the same column. Our Periodic Table is simple to
use - just click on the symbol for Radon for additional facts and
info and for an instant comparison of the Atomic Weight, Melting
Point, Boiling Point and Mass - G/cc of Radon with any other
element. An invaluable source for more interesting facts and
information about the Radon element and as a Chemistry reference
guide.
Facts and Info about
the element Argon - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the
International Union of Pure Applied Chemistry, IUPAC, in 1985
which includes the Radon element. The famous Russian Scientist,
Dimitri Mendeleev, perceived the correct classification method of
"the periodic table" for the 65 elements which were known in his
time. Radon was discovered by Friedrich Ernst Dorn in 1900.
William Ramsay and Robert Whytlaw-Gray isolated it and gave it the
name 'Niton' in 1908. The Standardised Periodic Table now recognises more periods
and elements than Dimitri Mendeleev knew in his day but still all
fitting into his concept of the "Periodic Table" in which
Radon is
just one element that can be found.
