Template:Infobox xenon

iodine ← xenon → caesium Kr ↑ Xe ↓ Rn 54Xe Periodic table
Appearance
Colorless gas, exhibiting a blue glow when placed in a high voltage electric field Spectral lines of xenon
General properties
Name, symbol, number	xenon, Xe, 54
Pronunciation	/ˈzɛnɒn/ zen-on or /ˈziːnɒn/ zee-non
Element category	noble gases
Group, period, block	18, 5, p
Standard atomic weight	131.293(6)
Electron configuration	[Kr] 5s2 4d10 5p6
Electrons per shell	2, 8, 18, 18, 8 (Image)
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 5.894 g/L
Liquid density at b.p.	3.057 g·cm−3
Melting point	(101.325 kPa) 161.4 K, -111.7 °C, -169.1 °F
Boiling point	(101.325 kPa) 165.03 K, -108.12 °C, -162.62 °F
Triple point	161.405 K (-112°C), 81.6 kPa
Critical point	289.77 K, 5.841 MPa
Heat of fusion	(101.325 kPa) 2.27 kJ·mol−1
Heat of vaporization	(101.325 kPa) 12.64 kJ·mol−1
Molar heat capacity	5R/2 = 20.786 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 83 92 103 117 137 165
Atomic properties
Oxidation states	0, +1, +2, +4, +6, +8 (rarely more than 0) (weakly acidic oxide)
Electronegativity	2.6 (Pauling scale)
Ionization energies	1st: 1170.4 kJ·mol−1
	2nd: 2046.4 kJ·mol−1
	3rd: 3099.4 kJ·mol−1
Covalent radius	140±9 pm
Van der Waals radius	216 pm
Miscellanea
Crystal structure	face-centered cubic
Magnetic ordering	diamagnetic
Thermal conductivity	5.65×10-3  W·m−1·K−1
Speed of sound	(liquid) 1090 m/s; (gas) 169 m·s−1
CAS registry number	7440-63-3
Most stable isotopes
Main article: Isotopes of xenon
iso NA half-life DM DE (MeV) DP 124Xe 0.095% 124Xe is stable with 70 neutrons 125Xe syn 16.9 h ε 1.652 125I 126Xe 0.089% 126Xe is stable with 72 neutrons 127Xe syn 36.345 d ε 0.662 127I 128Xe 1.91% 128Xe is stable with 74 neutrons 129Xe 26.4% 129Xe is stable with 75 neutrons 130Xe 4.07% 130Xe is stable with 76 neutrons 131Xe 21.2% 131Xe is stable with 77 neutrons 132Xe 26.9% 132Xe is stable with 78 neutrons 133Xe syn 5.247 d β− 0.427 133Cs 134Xe 10.4% 134Xe is stable with 80 neutrons 135Xe syn 9.14 h β− 1.16 135Cs 136Xe 8.86% 136Xe is stable with 82 neutrons

References

These references will appear in the article, but this list appears only on this page.