Number of Energy Levels: 6
Electrons on the outer energy level: 8
Atomic number: 86
Atomic Mass: 222.0 Amu (Atomic Mass Units)
Density: 9.73 g/cm3
Classification: Noble Gas
Radon was discovered in 1898 by Fredrich Ernst Dorn. Its name derives from the name of the chemical element radium. Radon’s melting point is at -71.0 °C (202.15 K, -95.8 °F) and its boiling point is at -61.8 °C (211.35 K, -79.24 °F).
Top 17 interesting facts about Radon
Radon is a noble gas that is colorless, odorless, and tasteless.
Radon is a radioactive chemical element.
Radon is one of the densest substances that remains gas and has only radioactive isotopes under normal conditions.
Only few compounds of radon are known.
Radon is a decay product of radium.
The chemical elements that are the decay products of radon are called radon daughters.
Radon is chemically not very reactive.
Radon has 36 isotopes, all of them radioactive and not stable.
Radon is naturally produced in uranium ores (and few other ores) by the radioactive decay of radium-226.
Radon is found in soil; 2.6 square kilometers of soil 15 cm deep contains 1 gram of radon.
Radon can be found in relatively high concentrations in some spring waters and hot springs.
Petroleum products also contain radon.
Radon accumulates in homes as well through the lowest level of the home that is in contact with the soil.
Radon is obtained industrially as a byproduct of uranium ores processing.
One milliliter of radium solution contains 15 picograms of radon costs $6000.
Radon is used in medicine to kill cancerous cells.