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Xenon

Chemical, physical and material properties and data of the chemical element Xenon.

Content
General data
Atomar properties
Electron configutation
Ionization energies
Isotopic data
Chemistry
Electrode potential
Physical properties
External data
Xenon

 

General Information about Xenon

Regular nameXenonChemical symbolXeOther namesSystematic nameHistorical namesName meaning, originDiscovery (year)OccurencePosition in the PSEGroup membership

 

Atomar Properties of Xenon

Atomic number Z54 = number of protonsStandard Atomic Weight131.293 (6)

 

Electron configuration of Xenon

1s2s2p3s3p3d4s4p4d4f5s5p5d5f6s6p6d6f7s7p
2262610261026

Abbreviated form: [Kr] 4d10 5s2 5p6 .

 

Ionization Energies of Xenon

The following table lists the ionization energies IE (ionization potentials); the IE is the energy required in electron volts (eV) per atom to separate a given electron from an Xenon atom.

IE1IE2IE3
12.1298420.975032.1230

 

Isotopic Data of Xenon

An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Xenon isotopes.

 

Chemistry of Xenon

 

Electronegativity
2.582 (Allen)
2.63 (Sanderson)
5.8121 eV (Gosh Gupta)Electron affinity-0.8(2) eV
-77(20) kJ mol-1

 

Standard Electrode Potential

E0 (V)SymbolNoxName Ox.
Name Red.		Ox.
Red.		e-
0.99Xe+ VIII
+ VI		Perxenate anion
Xenate anion		[XeO6]4- + 5 H+
⇄ HXeO4]2- + 2 H2O		+ 2 e-
1.18Xe+ VIII
0		Hydrogenperxenate anion
Xenon		[HXeO6]3- + 5 H2O
⇄ Xe (g) + 11 OH-		+ 8 e-
1.24Xe+ VI
0		Xenate anion
Xenon		[HXeO4]- + 3 H2O
⇄ Xe (g) + 7 OH-		+ 6 e-
2.12Xe+ VI
0		Xenon(VI) oxide
Xenon		XeO3 (aq) + 6 H+
⇄ Xe (g) + 3 H2O		+ 6 e-
2.18Xe+ VIII
0		Perxenic acid
Xenon		H4XeO6 (aq) + 8 H+
⇄ Xe (g) + 6 H2O		+ 8 e-
2.32Xe+ II
0		Xenon difluoride
Xenon		XeF2 (aq) + 2 H+
⇄ Xe (g) + 2 HF (aq)		+ 2 e-
2.42Xe+ VIII
+ VI		Perxenonic acid
Xenon(VI) oxide		H4XeO6 (aq) + 2 H+
⇄ XeO3 (aq) + 3 H2O		+ 2 e-

 

Material and Physical Properties

Melting point- 111.75 °CEnthalpy of fusion (molar)2.27 kJ mol-1Boiling point- 108.099 °CEnthalpy of vaporization12.65 kJ mol-1Density5.894 g L -1 (0°C; 101.325 kPa)

 

External Data, Identifiers

CAS registry number7440-63-3InChI =1S/XeInChIKeyFHNFHKCVQCLJFQ-UHFFFAOYSA-NPubChem ID23991

 

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isotopes

 

 

 

 

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Last update: 2022-12-12

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