Elements / 54
54Xe131.29
Xenon
Noble gas · p-block · ring O · spoke 18
Xenon is element 54, a noble gas. It sits on ring O (period 5) on spoke 18, the noble gases. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 5.89 g/L (as a gas) | Terrain → |
|---|---|---|
| Melting point | 161 K · -112 °C | Terrain → |
| Boiling point | 165 K · -108 °C | Terrain → |
| Electronegativity | 2.608th most electronegative of 100 | Terrain → |
| First ionization energy | 1,170 kJ/mol10th highest ionization energy of 103 | Terrain → |
| Atomic weight | 131.294 u | Terrain → |
| Crustal abundance | 3.0 × 10⁻⁵ ppm | Terrain → |
| Discovered | 1898 | Terrain → |
Values from open reference data; see sources. "Terrain" opens that property as a 3D landscape across the whole spiral.
Two things you might not know
- Breathing it lowers the pitch of your voice, and inhaling it has reportedly been used for doping in Russia since 2004.
- Its name is Greek for stranger; it is the preferred propellant of spacecraft ion thrusters and lights up photographic flash lamps.
Checked against en.wikipedia.org.
Spoke 18: Noble gases
Ring O (period 5)
Play with Xenon
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.