Discovery of radon

Radon is a chemical element; it has symbol Rn and atomic number 86. It is a radioactive noble gas and is colorless and odorless. Of the three naturally occurring radon isotopes, only 222Rn has a sufficiently long half-life for it to be released from the soil and rock where it is generated.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• Discovery of radon and Discovery of actinium happened in the same year
• Discovery of radon happened 1 year after Discovery of xenon
• Discovery of radon happened 1 year after Discovery of radium
• Discovery of radon happened 1 year after Discovery of neon
• Discovery of radon happened 1 year after Discovery of krypton

Timeline

1. Discovery of krypton1898
2. Discovery of neon1898
3. Discovery of radium1898
4. Discovery of xenonJuly 12, 1898
5. Discovery of actinium1899
6. Discovery of radon (this page)1899

Related

• Discovery of hydrogen1766
• Discovery of oxygen1774
• Discovery of PlutoFebruary 18, 1930
• Discovery of carbon1789
• Discovery of aluminium1825
• Discovery of heliumAugust 18, 1868
• Discovery of nitrogen1772
• Discovery of sulfur1777