Template:Infobox xenon

Xenon, ₅₄Xe

File:Xenon discharge tube.jpg A xenon-filled discharge tube glowing light blue
Xenon
Pronunciation	/ˈzɛnɒn/ (ZEN-on) /ˈziːnɒn/ (ZEE-non)
Appearance	colorless gas, exhibiting a blue glow when placed in an electric field
Standard atomic weight Ar°(Xe)
	131.293±0.006 131.29±0.01 (abridged)
Xenon in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson Kr ↑ Xe ↓ Rn iodine ← xenon → caesium
Atomic number (Z)	54
Group	group 18 (noble gases)
Period	period 5
Block	p-block
Electron configuration	[Kr] 4d10 5s2 5p6
Electrons per shell	2, 8, 18, 18, 8
Physical properties
Phase at STP	gas
Melting point	161.40 K ​(−111.75 °C, ​−169.15 °F)
Boiling point	165.051 K ​(−108.099 °C, ​−162.578 °F)
Density when solid (at t.p.)	3.408 g/cm3
(at STP)	5.894 g/L
when liquid (at b.p.)	2.942 g/cm3
Triple point	161.405 K, ​81.77 kPa
Critical point	289.733 K, 5.842 MPa
Heat of fusion	2.27 kJ/mol
Heat of vaporization	12.64 kJ/mol
Molar heat capacity	21.01 J/(mol·K)
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	common: +2, +4, +6 0, +8
Electronegativity	Pauling scale: 2.60
Ionization energies	1st: 1170.4 kJ/mol 2nd: 2046.4 kJ/mol 3rd: 3099.4 kJ/mol
Covalent radius	140±9 pm
Van der Waals radius	216 pm
Color lines in a spectral range Spectral lines of xenon
Other properties
Natural occurrence	primordial
Crystal structure	​face-centered cubic (fcc) (cF4)
Lattice constant	Face-centered cubic crystal structure for xenon a = 634.84 pm (at triple point, 161.405 K)
Thermal conductivity	5.65×10−3 W/(m⋅K)
Magnetic ordering	diamagnetic
Molar magnetic susceptibility	−43.9×10−6 cm3/mol (298 K)
Speed of sound	gas: 178 m·s−1 liquid: 1090 m/s
CAS Number	7440-63-3
History
Discovery and first isolation	William Ramsay and Morris Travers (1898)
Isotopes of xenon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 124Xe 0.095% 1.8×1022 y εε 124Te 125Xe synth 16.9 h β+ 125I 126Xe 0.0890% stable 127Xe synth 36.345 d ε 127I 128Xe 1.91% stable 129Xe 26.4% stable 130Xe 4.07% stable 131Xe 21.2% stable 132Xe 26.9% stable 133Xe synth 5.247 d β− 133Cs 134Xe 10.4% stable 135Xe synth 9.14 h β− 135Cs 136Xe 8.86% 2.165×1021 y β−β− 136Ba

Xe · Xenon
I ← ibox I	iso 54 Xe  [] IB-Xe [] IBisos []	→ Cs ibox Cs
File:Symbol category class.svg cat:Xe (0) File:Symbol category class.svg cat:Xe-isotopes (0) File:Commons-logo.svg Commons File:Wikidata-logo.svg Wikidata:Q1106 File:Wiktionary-logo.svg Wiktionary
indexes by PT (page)

child table, as reused in {IB-Xe}
Main isotopes of xenon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 124Xe 0.095% 1.8×1022 y εε 124Te 125Xe synth 16.9 h β+ 125I 126Xe 0.0890% stable 127Xe synth 36.345 d ε 127I 128Xe 1.91% stable 129Xe 26.4% stable 130Xe 4.07% stable 131Xe 21.2% stable 132Xe 26.9% stable 133Xe synth 5.247 d β− 133Cs 134Xe 10.4% stable 135Xe synth 9.14 h β− 135Cs 136Xe 8.86% 2.165×1021 y β−β− 136Ba

Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt)	caption: alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (0) · (this table: )

References

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