54Xe
Element 54
Xenon
Noble gases
Xenon is a chemical element with symbol Xe and atomic number 54.
Key data
- Atomic number
- 54
- Atomic mass
- 131.294 u
- Group / Period
- 18 / 5
- Block
- p-block
- Phase at STP
- Gas
- Density
- 5.894 g/cm³
- Melting point
- -111.7 °C
- Boiling point
- -108.1 °C
- Electron configuration
- [Kr] 4d10 5s2 5p6
Common uses
- •Car headlights
- •Anesthetics
- •Ion thrusters
Discovery
Year: 1898
Discovered by: William Ramsay
Frequently asked questions
What is the atomic number of Xenon?
Xenon has atomic number 54. Its symbol is Xe and its atomic mass is 131.294 u.
What category of element is Xenon?
Xenon is classified as noble gases. It sits in group 18, period 5 of the periodic table.
What is Xenon used for?
Common uses of Xenon include: Car headlights, Anesthetics, Ion thrusters.
When was Xenon discovered?
Xenon was discovered in 1898 by William Ramsay.
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