Xenon
54Xe
Kr ↑ Xe ↓ Rn Periodic table iodine ← xenon → caesium
Panagway
colorless gas, exhibiting a blue glow when placed in a high voltage electric field Spectral lines of xenon
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	xenon, Xe, 54
Paglitok	/ˈzɛnɒn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-on]][1] or /ˈziːnɒn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-non]][2]
Kategoriyang elemento	gas nga halangdon
Group, period, block	18, 5, p
Gibug-aton sa atomo	131.293(6)
Kontorno sa elektron	[Kr] 5s2 4d10 5p6 2, 8, 18, 18, 8
History
Pagkadiskobre	William Ramsay and Morris Travers (1898)
First isolation	William Ramsay and Morris Travers (1898)
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 5.894 g/L
Liquid density at b.p.	3.057[3] 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[4] 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[5]
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% >4.8×1016 y β+β+ 0.825 124Te 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% >1.1×1016 y β−β− 2.864 134Ba 135Xe syn 9.14 h β− 1.16 135Cs 136Xe 8.86% 2.11×1021 y[6] β−β− 2.45783[7] 136Ba
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Plantilya:Template reference list

1. ↑ Simpson, J. A.; Weiner, E. S. C., eds. (1989). "Xenon". Oxford English Dictionary. Vol. 20 (2nd ed.). Clarendon Press. ISBN 0-19-861232-X.
2. ↑ "Xenon". Dictionary.com Unabridged. 2010. Retrieved 2010-05-06.
3. ↑ "Krypton". Gas Encyclopedia. Air Liquide. 2009.
4. ↑ Section 4 "Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements" in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
5. ↑ Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
6. ↑ Ackerman, N. (2011). "Observation of Two-Neutrino Double-Beta Decay in ¹³⁶Xe with the EXO-200 Detector". Physical Review Letters. 107 (21): 212501. Bibcode:2011PhRvL.107u2501A. doi:10.1103/PhysRevLett.107.212501. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
7. ↑ . doi:10.1103/PhysRevLett.98.053003. {{cite journal}}: Cite journal requires |journal= (help); Missing or empty |title= (help)