• Name: Polonium

  • Symbol: Po

  • Number of Energy Levels: 6

  • Electrons on the outer energy level: 6

  • Atomic Number: 84

  • Atomic Mass: 209.0 Amu

  • Protons / Electrons: 84

  • Neutrons: 125

  • Density: 9.4 g/cm3

  • Classification: Metalloid

Top 17 interesting facts about Polonium

  • Polonium was discovered in 1898 by Pierre and Marie Curie. Its name derives from the name of the country Poland.
  • Polonium's melting point is at 254.0 C (527.15 K, 489.2 F) and its boiling point is at 962.0 C (1235.15 K, 1763.6 F).
  • Polonium is a very rare element.
  • Polonium is very radioactive and toxic.
  • Polonium has 33 isotopes which are not stable isotopes.
  • Polonium is chemically similar to tellurium and bismuth.
  • Polonium can be found in uranium ores.
  • Polonium is also found in the smoke produced by cigarettes.
  • Polonium does not have common natural compounds but synthetic compounds created in laboratory conditions.
  • Polonium was used in the atomic bombs of World War 2.
  • Polonium is obtained from bismuth by irradiating it with high-energy neutrons or protons or from platinum by irradiating it with carbon nuclei.
  • Polonium is produced in Russia in very small quantities (100g per year).
  • Polonium is used as an atomic heat source in space rovers and satellites.
  • Polonium is used in nuclear weapons as an initiator.
  • Polonium is used for inspection of oil wells in Russia.
  • Polonium is used as a source of neutrons and alpha particles.
  • Polonium is very toxic to human body and has no biological role.