Xe
Xenon (Atomic Number 54)
Category: noble | Period 5, Group 18 | Block: p
Heavy, dense noble gas used in electric ion propulsion thrusters.
Atomic & Physical Constants
- Standard Atomic Weight:
- 131.2936 u
- Standard State Phase:
- Gas
- Electron Configuration:
- 2, 8, 18, 18, 8
- Electronegativity (Pauling):
- 2.6
- Melting Point:
- 161.4 K
- Boiling Point:
- 165.051 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Spacecraft ion thrusters, specialized high-intensity strobe lamps
Discovery History
Discovered by William Ramsay (1898).
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