• Name: Krypton

  • Symbol: Kr

  • Number of Energy Levels: 4

  • Electrons on the outer energy level: 8

  • Atomic Number: 36

  • Atomic Mass: 83.8 Amu

  • Protons / Electrons: 36

  • Neutrons: 48

  • Density: 3.74 g/cm3

  • Classification: Noble Gas

Top 9 interesting facts about Krypton

  • Krypton was discovered in 1898 by Sir William Ramsey and its name derives from the Greek word "kryptos" which means "hidden".
  • Krypton's boiling point is at -153.4 C (119.75001 K, -244.12 F) and its melting point is at -157.2 C (115.950005 K, -250.95999 F).
  • Krypton is a colorless, odorless, and tasteless noble gas.
  • Krypton is mostly obtained by fractionally distilling liquefied air and it is also a product of the fission of uranium and plutonium.
  • Krypton has 19 isotopes but just six of them are stable.
  • Krypton is chemically unreactive but it reacts with fluorine under extreme conditions.
  • Krypton is used in photography as a light source and to make various luminous signs.
  • Krypton is also used in production of lasers.
  • According to specialists, krypton is found in space in large quantities but only 1 ppm in Earth's atmosphere.