Element Radon

The element Radon is number 86 in the periodic table of elements. The Radon video below shows interesting facts about the element Radon as well as the history of Radon the element.

What is the relative atomic mass of Radon the element?

The relative atomic mass of the element Radon is 222.

How abundant is the element Radon?

The element Radon is grouped with the Noble Gases or rare gases.

Interesting Facts about the element Radon

The element Radon was formerly considered nonreactive but now Radon is known to form some compounds with fluorine. Of the 20 known Radon isotopes, only three isotopes of Radon occur in nature. The longest half life of Radon isotopes is 3.82 days (Rn - 222).

Where is the element radon found?

The element Radon is the densest gas known and occurs in small amounts in spring water, streams and the air. Radon is formed  from the natural radioactive decay of Radium.

Who discovered Rn - 220 isotope of Radon?

Ernest Rutherford discovered the Radon isotope Rn-220 in 1899 and then Friedrich Dorn discovered it in 1900. William Ramsay and R. W. Whytlaw-Gray isolated the element Radon and named it niton in 1908. The name was changed to Radon in 1920s.