Number of Energy Levels: 5
Electrons on the outer energy level: 8
Atomic number: 54
Atomic Mass: 131.29 Amu (Atomic Mass Units)
Density: 5.897 g/cm3
Classification: Noble Gas
Xenon was discovered in 1898 by Sir William Ramsay. Its name derives from the Greek word "xenon" which means "stranger". Xenon’s melting point is at -111.9 °C (161.25 K, -169.42 °F) and its boiling point is at -108.1 °C (165.05 K, -162.58 °F).
Top 13 interesting facts about Xenon
Xenon is colorless and odorless noble gas.
Xenon can be found in Earth’s atmosphere.
Xenon gas has a density 4.5 times greater than the density of the Earth’s atmosphere at surface.
Liquid xenon has a density of 3100g/ml.
Solid xenon is heavier than granite.
Xenon emits blue-white glow when it is excited by electricity.
Xenon is obtained as a byproduct of oxygen and nitrogen production.
Xenon is an expensive gas (50 times more expensive than neon).
Jupiter contains large quantities of xenon.
Xenon has eight stable isotopes and over forty unstable isotopes.
Xenon is used in illumination and optics (xenon flash lamps, xenon arc lamps, night vision systems, plasma displays, lasers etc).
Xenon is also used in medical industry as a general anesthetic, neuro-protectant, dopant, tomography image, nuclear energy applications etc.
Xenon is a non-toxic gas, although it has harmful effects if inhaled in large quantities.