• Name: Radon

  • Symbol: Rn

  • Number of Energy Levels: 6

  • Electrons on the outer energy level: 8

  • Atomic Number: 86

  • Atomic Mass: 222.0 Amu

  • Protons / Electrons: 86

  • Neutrons: 136

  • Density: 9.73 g/cm3

  • Classification: Noble Gas

Top 19 interesting facts about Radon

  • 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).
  • 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.
  • Radon is very harmful to human body.