हिन्दी में पढ़ेंHome › Elements › Xenon
Xenon (Xe)
Atomic number 54 · noble
| Atomic number | 54 |
|---|---|
| Atomic mass | 131.293 u |
| Molar mass | 131.293 g/mol |
| Category | noble |
| Group / period / block | 18 / 5 / p |
| Electron configuration | [Kr] 4d10 5s2 5p6 |
| Electrons per shell | 2, 8, 18, 18, 8 |
| Electronegativity (Pauling) | 2.6 |
| Density | 0.00537 g/cm³ |
| First ionisation energy | 12.1298 eV |
| Melting point | 161.4 K (-111.75 °C) |
| Boiling point | 165.05 K (-108.10 °C) |
| Common oxidation states | +2, +4, +6 |
| Abundance in Earth's crust | 3e-05 ppm |
Uses
Car headlights, ion thrusters, anaesthesia
Discovery
1898, Sir William Ramsay; M. W. Travers