Xenon (Xe) — Element 54: Properties & Data | Aladdin Scientific
Xenon(Xe) — Element 54
Xenon (Xe) is a noble gas with atomic number 54 and atomic mass 131.29. It has melting point 161.36 K (-112 °C), boiling point 165.03 K (-108 °C), density 0.005887 g/cm³. It sits in group 18 and period 5 of the periodic table and was discovered in 1898.
Key facts
| Atomic mass | 131.2900 u |
|---|---|
| Electron configuration | [Kr]5s2 4d10 5p6 |
| Electronegativity (Pauling) | 2.6 |
| Atomic radius (van der Waals) | 216 pm |
| Ionization energy | 12.13 eV |
| Melting point | 161.36 K |
| Boiling point | 165.03 K |
| Density | 0.005887 g/cm³ |
| Standard state | Gas |
| Year discovered | 1898 |
Preguntas frecuentes
What is the electron configuration of xenon?
The ground-state electron configuration of xenon is [Kr]5s2 4d10 5p6.
What group and period is xenon in?
Xenon (Xe) is in group 18 and period 5 of the periodic table, classified as a noble gas.
What is the melting point of xenon?
Xenon melts at 161.36 K (-112 °C).
What is the standard state of xenon?
Xenon is a gas at standard temperature and pressure.
Related elements
Sobre estos datos: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .