Basic Information

Name: Xenon 
Symbol: Xe 
Atomic Number: 54 
Atomic Mass: 131.29 amu 
Melting Point: -111.9 °C (161.25 K, -169.42 °F) 
Boiling Point: -108.1 °C (165.05 K, -162.58 °F) 
Number of Protons/Electrons: 54 
Number of Neutrons: 77 
Classification: Noble Gas 
Crystal Structure: Cubic 
Density @ 293 K: 5.8971 g/cm3 
Color: Colorless Gas
Date of Discovery: 1898 
Discoverer: Sir William Ramsay 
Name Origin: From the Greek word xenon (stranger) 
Uses: powerful lamps, bubble chambers 
Obtained From: liquid air