Xenon
| Formula / Notation | Xe |
|---|---|
| CAS Number | 7440-63-3 |
| Molecular Weight | 131.29 g/mol |
| Melting Point | −111.75°C (161.4 K) |
| Boiling Point | −108.12°C (165.03 K) |
| Density | 5.894 g/L at STP |
| Appearance | Colorless, odorless, tasteless noble gas |
| Also Known As | Xenon gas, Stranger gas |
What is Xenon?
A noble gas with atomic number 54 and symbol Xe. Despite being a noble gas, xenon forms chemical compounds including xenon difluoride (XeF₂) and xenon tetrafluoride (XeF₄). Used in high-intensity arc lamps, strobe lights, and as an anesthetic. Its electron configuration ends in 5p⁶.
Formula & Notation
Other Names / Synonyms: Xenon gas, Stranger gas
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | −111.75°C (161.4 K) |
| Boiling Point | −108.12°C (165.03 K) |
| Density | 5.894 g/L at STP |
| Molecular Weight | 131.29 g/mol |
| Appearance | Colorless, odorless, tasteless noble gas |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
A noble gas with atomic number 54 and symbol Xe. Despite being a noble gas, xenon forms chemical compounds including xenon difluoride (XeF₂) and xenon tetrafluoride (XeF₄). Used in high-intensity arc lamps, strobe lights, and as an anesthetic. Its electron configuration ends in 5p⁶.
High-intensity xenon arc lamps (cinema projectors, searchlights, flash photography). Xenon flash tubes in strobe lights. Xenon-133 and Xenon-127 as radioactive tracers in lung imaging and blood flow studies. General anesthetic (costly but safe, rapid onset/offset). Ion propulsion in spacecraft (Xeno…
Xenon itself is non-toxic and physiologically inert at normal concentrations. As an asphyxiant, high concentrations displace oxygen and can cause unconsciousness. Xenon difluoride (XeF₂) is a strong oxidizer and fluorinating agent — handle with care. High-pressure xenon gas cylinders require standar…
The formula or notation for Xenon is: Xe