Ksenon

Ksenon (Xe)

chemical element with atomic number of 54 and heaviest stable noble gas
Atomic Number54
Atomic Weight131.293
Hejmara baristeyî132
Group18
Period5
Blockp
Proton54 p+
Notron78 n0
Kareva54 e-
Animated Bohr model of Xe (Ksenon)

Physical Property

Atomic Radius
molar volume
Covalent Radius
131 pm
Metallic Radius
ionic radius
40 pm
Crystal Radius
54 pm
Van der Waals radius
216 pm
density
0,005366 g/cm³

Chemical Property

wize
proton affinity
499,6 kJ/mol
electron affinity
ionization energy
12,1298431 eV/particle
ionization energy of Xe (Ksenon)
enthalpy of vaporization
12,65 kJ/mol
enthalpy of fusion
standard enthalpy of formation
Kareva
electron shell2, 8, 18, 18, 8
Bohr model: Xe (Ksenon)
valence electron8
Lewis structure: Xe (Ksenon)
electron configuration[Kr] 4d10 5s2 5p6
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2 5p6
Enhanced Bohr model of Xe (Ksenon)
Orbital Diagram of Xe (Ksenon)
oxidation number0, 2, 4, 6, 8
electronegativity
2.6
Electrophilicity Index
1,4953590614035728 eV/particle
fundamental state of matter
phase of matterGas
gaseous state of matterMonoatomic
Boiling Point
165,051 K
Melting Point
161,4 K
critical pressure
5,842 MPa
critical temperature
289,733 K
triple point
161,405 K
81,77 kPa
appearance
color
Colorless
appearancecolorless gas, exhibiting a blue glow when placed in a high voltage electric field
refractive index
1,000702
thermodynamic material property
Thermal Conductivity
0,0057 W/(m K)
thermal expansion
molar heat capacity
20,786 J/(mol K)
Specific Heat Capacity
0,158 J/(g⋅K)
heat capacity ratio5/3
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000043 m³/Kg
magnetic susceptibility (Molar)
-0,000000000565 m³/mol
magnetic susceptibility (Volume)
-0,0000000254
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureFace Centered Cubic (FCC)
lattice constant
6,2 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Leza dengê
1.090 m/s
classification
CategoryNoble gases, Noble gases
CAS GroupVIII
IUPAC GroupVIIIA
Glawe Number5
Mendeleev Number116
Pettifor Number5
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
478,1 kJ/mol
polarizability
27,32 ± 0,2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
25
Neutron Mass Absorption
0,0083
quantum number1S0
space group225 (Fm_3m)

Isotopes of Xenon

Stable Isotopes5
Unstable Isotopes38
Natural Isotopes9
Isotopic Composition12926.40%12926.40%13226.91%13226.91%13121.23%13121.23%13410.44%13410.44%1368.86%1368.86%1304.07%1304.07%1281.91%1281.91%1240.10%1240.10%1260.09%1260.09%

108Xe

Hejmara baristeyî108
neutron number54
Giraniya atomê
107,954232285 ± 0,000407406 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
72 ± 35 us
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2018
parity+

decay modeintensity
α (α emission)100%

109Xe

Hejmara baristeyî109
neutron number55
Giraniya atomê
108,950434955 ± 0,000322178 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
13 ± 2 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2006
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

110Xe

Hejmara baristeyî110
neutron number56
Giraniya atomê
109,944258759 ± 0,000108415 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
93 ± 3 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1981
parity+

decay modeintensity
α (α emission)64%
β+ (β+ decay; β+ = ϵ + e+)36%
β+ p (β+-delayed proton emission)

111Xe

Hejmara baristeyî111
neutron number57
Giraniya atomê
110,94147 ± 0,000124 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
740 ± 200 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)89.6%
α (α emission)10.4%
β+ p (β+-delayed proton emission)

112Xe

Hejmara baristeyî112
neutron number58
Giraniya atomê
111,935559068 ± 0,000008891 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,7 ± 0,8 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1978
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98.8%
α (α emission)1.2%
β+ p (β+-delayed proton emission)

113Xe

Hejmara baristeyî113
neutron number59
Giraniya atomê
112,933221663 ± 0,000007342 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,74 ± 0,08 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1973
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)
β+ p (β+-delayed proton emission)7%
β+α (β+-delayed α emission)0.007%

114Xe

Hejmara baristeyî114
neutron number60
Giraniya atomê
113,927980329 ± 0,000012 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
10 ± 0,4 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

115Xe

Hejmara baristeyî115
neutron number61
Giraniya atomê
114,926293943 ± 0,000013 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
18 ± 3 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1969
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.34%

116Xe

Hejmara baristeyî116
neutron number62
Giraniya atomê
115,921580955 ± 0,000013974 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
59 ± 2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1969
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

117Xe

Hejmara baristeyî117
neutron number63
Giraniya atomê
116,920358758 ± 0,000011141 Da
g-factor
-0,23752 ± 0,0006
natural abundance
radioactivity☢️ radioactive element
half-life
61 ± 2 s
spin5/2
nuclear quadrupole moment
1,1 ± 0,4
dema îcadkirinê yan keşfê1969
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.0029%

118Xe

Hejmara baristeyî118
neutron number64
Giraniya atomê
117,916178678 ± 0,000011141 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,8 ± 0,9 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1965
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

119Xe

Hejmara baristeyî119
neutron number65
Giraniya atomê
118,915410641 ± 0,000011141 Da
g-factor
-0,26168 ± 0,0006
natural abundance
radioactivity☢️ radioactive element
half-life
5,8 ± 0,3 m
spin5/2
nuclear quadrupole moment
1,29 ± 0,05
dema îcadkirinê yan keşfê1965
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)79%
ϵ (electron capture)21%

120Xe

Hejmara baristeyî120
neutron number66
Giraniya atomê
119,911784267 ± 0,000012686 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
46 ± 0,6 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1965
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

121Xe

Hejmara baristeyî121
neutron number67
Giraniya atomê
120,911453012 ± 0,000010995 Da
g-factor
-0,2804 ± 0,0012
natural abundance
radioactivity☢️ radioactive element
half-life
40,1 ± 2 m
spin5/2
nuclear quadrupole moment
1,31 ± 0,05
dema îcadkirinê yan keşfê1952
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

122Xe

Hejmara baristeyî122
neutron number68
Giraniya atomê
121,908367655 ± 0,000011928 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
20,1 ± 0,1 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1952
parity+

decay modeintensity
ϵ (electron capture)100%

123Xe

Hejmara baristeyî123
neutron number69
Giraniya atomê
122,908482235 ± 0,000010234 Da
g-factor
-0,3 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
2,08 ± 0,02 h
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1952
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

124Xe

Hejmara baristeyî124
neutron number70
Giraniya atomê
123,905885174 ± 0,000001457 Da
g-factor
0
natural abundance
0,095 ± 0,005
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1922
parity+

decay modeintensity
+ (double β+ decay)

125Xe

Hejmara baristeyî125
neutron number71
Giraniya atomê
124,90638764 ± 0,000001518 Da
g-factor
-0,538 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
16,87 ± 0,08 h
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

126Xe

Hejmara baristeyî126
neutron number72
Giraniya atomê
125,904297422 ± 0,000000006 Da
g-factor
0
natural abundance
0,089 ± 0,003
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1922
parity+

decay modeintensity
+ (double β+ decay)

127Xe

Hejmara baristeyî127
neutron number73
Giraniya atomê
126,905183636 ± 0,000004388 Da
g-factor
-1,0066 ± 0,0022
natural abundance
radioactivity☢️ radioactive element
half-life
36,342 ± 0,003 d
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
ϵ (electron capture)100%

128Xe

Hejmara baristeyî128
neutron number74
Giraniya atomê
127,90353075341 ± 0,00000000558 Da
g-factor
0
natural abundance
1,91 ± 0,013
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1922
parity+

129Xe

Hejmara baristeyî129
neutron number75
Giraniya atomê
128,90478085742 ± 0,00000000542 Da
g-factor
-1,555922 ± 0,000032
natural abundance
26,401 ± 0,138
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

130Xe

Hejmara baristeyî130
neutron number76
Giraniya atomê
129,903509346 ± 0,00000001 Da
g-factor
0
natural abundance
4,071 ± 0,022
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1922
parity+

131Xe

Hejmara baristeyî131
neutron number77
Giraniya atomê
130,90508412808 ± 0,00000000549 Da
g-factor
0,46123 ± 0,0000046666666666667
natural abundance
21,232 ± 0,051
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0,114 ± 0,001
dema îcadkirinê yan keşfê1920
parity+

132Xe

Hejmara baristeyî132
neutron number78
Giraniya atomê
131,90415508346 ± 0,00000000544 Da
g-factor
0
natural abundance
26,909 ± 0,055
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

133Xe

Hejmara baristeyî133
neutron number79
Giraniya atomê
132,905910748 ± 0,000002576 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,2474 ± 0,0005 d
spin3/2
nuclear quadrupole moment
0,14 ± 0,005
dema îcadkirinê yan keşfê1940
parity+

decay modeintensity
β (β decay)100%

134Xe

Hejmara baristeyî134
neutron number80
Giraniya atomê
133,90539303 ± 0,000000006 Da
g-factor
0
natural abundance
10,436 ± 0,035
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

decay modeintensity
(double β decay)

135Xe

Hejmara baristeyî135
neutron number81
Giraniya atomê
134,907231441 ± 0,000003938 Da
g-factor
0,60213333333333 ± 0,00046666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
9,14 ± 0,02 h
spin3/2
nuclear quadrupole moment
0,21 ± 0,007
dema îcadkirinê yan keşfê1940
parity+

decay modeintensity
β (β decay)100%

136Xe

Hejmara baristeyî136
neutron number82
Giraniya atomê
135,907214474 ± 0,000000007 Da
g-factor
0
natural abundance
8,857 ± 0,072
radioactivity☢️ radioactive element
half-life
2,18 ± 0,05 Zy
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

decay modeintensity
(double β decay)100%

137Xe

Hejmara baristeyî137
neutron number83
Giraniya atomê
136,911557771 ± 0,000000111 Da
g-factor
-0,27725714285714 ± 0,00028571428571429
natural abundance
radioactivity☢️ radioactive element
half-life
3,818 ± 0,013 m
spin7/2
nuclear quadrupole moment
-0,47 ± 0,02
dema îcadkirinê yan keşfê1943
parity-

decay modeintensity
β (β decay)100%

138Xe

Hejmara baristeyî138
neutron number84
Giraniya atomê
137,914146268 ± 0,00000301 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
14,14 ± 0,07 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1943
parity+

decay modeintensity
β (β decay)100%

139Xe

Hejmara baristeyî139
neutron number85
Giraniya atomê
138,9187922 ± 0,0000023 Da
g-factor
-0,20266666666667 ± 0,0010666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
39,68 ± 0,14 s
spin3/2
nuclear quadrupole moment
0,39 ± 0,02
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β (β decay)100%

140Xe

Hejmara baristeyî140
neutron number86
Giraniya atomê
139,921645814 ± 0,0000025 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
13,6 ± 0,1 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β (β decay)100%

141Xe

Hejmara baristeyî141
neutron number87
Giraniya atomê
140,926787181 ± 0,0000031 Da
g-factor
0,004 ± 0,0012
natural abundance
radioactivity☢️ radioactive element
half-life
1,73 ± 0,01 s
spin5/2
nuclear quadrupole moment
-0,57 ± 0,02
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.044%

142Xe

Hejmara baristeyî142
neutron number88
Giraniya atomê
141,929973095 ± 0,0000029 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,23 ± 0,02 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1960
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.37%

143Xe

Hejmara baristeyî143
neutron number89
Giraniya atomê
142,93536955 ± 0,000005 Da
g-factor
-0,184 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
511 ± 6 ms
spin5/2
nuclear quadrupole moment
0,91 ± 0,03
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1%

144Xe

Hejmara baristeyî144
neutron number90
Giraniya atomê
143,938945076 ± 0,0000057 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
388 ± 7 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2003
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3%

145Xe

Hejmara baristeyî145
neutron number91
Giraniya atomê
144,944719631 ± 0,000012 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
188 ± 4 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2003
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5%
2n (2-neutron emission)

146Xe

Hejmara baristeyî146
neutron number92
Giraniya atomê
145,948518245 ± 0,000026 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
146 ± 6 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1989
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)6.9%

147Xe

Hejmara baristeyî147
neutron number93
Giraniya atomê
146,954482 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
88 ± 14 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)8%
2n (2-neutron emission)

148Xe

Hejmara baristeyî148
neutron number94
Giraniya atomê
147,958508 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
85 ± 15 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

149Xe

Hejmara baristeyî149
neutron number95
Giraniya atomê
148,964573 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

150Xe

Hejmara baristeyî150
neutron number96
Giraniya atomê
149,968878 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Xenon discharge tube

dîrok

kaşîf an îcadkerSir William Ramsay; M. W. Travers
location of discoveryEngland
dema îcadkirinê yan keşfê1898
BêjenasîGreek: xenos (strange).
pronunciationZEE-non (îngilîzî)

source

Abundance
Abundance in Earth's crust
0,00003 mg/kg
natural abundance (Okyanûs)
0,00005 mg/L
natural abundance (human body)
natural abundance (meteoroid)
natural abundance (Roj)
Abundance in Universe
0,000001 %

Nuclear Screening Constants

1s1.0785
2p4.1654
2s14.197
3d14.0532
3p18.3324
3s18.4236
4d32.1068
4p29.0428
4s27.8272
5p41.5755
5s39.782