Xenon

Xenon (Xe)

chemical element with atomic number of 54 and heaviest stable noble gas
Atomic Number54
Atomic Weight131.293
mass number132
Group18
Period5
Blockp
proton54 p+
neutron78 n0
electron54 e-
Animated Bohr model of Xe (Xenon)

Proprietat Fisica

Rai Atomic
molar volume
covalent radius
131 pm
Metallic Radius
ionic radius
40 pm
Crystal Radius
54 pm
Rai de van der Waals
216 pm
densitat
0.005366 g/cm³

Chemical Property

energia
proton affinity
499.6 kJ/mol
electron affinity
ionization energy
12.1298431 eV/particle
ionization energy of Xe (Xenon)
enthalpy of vaporization
12.65 kJ/mol
enthalpy of fusion
standard enthalpy of formation
electron
electron shell2, 8, 18, 18, 8
Bohr model: Xe (Xenon)
valence electron8
Lewis structure: Xe (Xenon)
electron configuration[Kr] 4d10 5s2 5p6
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2 5p6
Enhanced Bohr model of Xe (Xenon)
Orbital Diagram of Xe (Xenon)
oxidation number0, 2, 4, 6, 8
Electronegativitat
2.6
Electrophilicity Index
1.4953590614035728 eV/particle
fundamental state of matter
estat de la matèriaGas
gaseous state of matterMonoatomic
Boiling Point
165.051 K
Melting Point
161.4 K
critical pressure
5.842 MPa
critical temperature
289.733 K
Ponch triple
161.405 K
81.77 kPa
appearance
Color
Colorless
appearancecolorless gas, exhibiting a blue glow when placed in a high voltage electric field
Indici de refraccion
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
Curie temperature
Néel temperature
estructura
Crystal StructureFace Centered Cubic (FCC)
lattice constant
6.2 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Duretat
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
1090 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

mass number108
neutron number54
relative atomic mass
107.954232285 ± 0.000407406 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
72 ± 35 us
Espin0
nuclear quadrupole moment
0
data de descobèrta2018
parity+

decay modeintensity
α (α emission)100%

109Xe

mass number109
neutron number55
relative atomic mass
108.950434955 ± 0.000322178 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
13 ± 2 ms
Espin7/2
nuclear quadrupole moment
data de descobèrta2006
parity+

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

110Xe

mass number110
neutron number56
relative atomic mass
109.944258759 ± 0.000108415 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
93 ± 3 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1981
parity+

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

111Xe

mass number111
neutron number57
relative atomic mass
110.94147 ± 0.000124 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
740 ± 200 ms
Espin5/2
nuclear quadrupole moment
data de descobèrta1979
parity+

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

112Xe

mass number112
neutron number58
relative atomic mass
111.935559068 ± 0.000008891 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.7 ± 0.8 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1978
parity+

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

113Xe

mass number113
neutron number59
relative atomic mass
112.933221663 ± 0.000007342 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.74 ± 0.08 s
Espin5/2
nuclear quadrupole moment
data de descobèrta1973
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

mass number114
neutron number60
relative atomic mass
113.927980329 ± 0.000012 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
10 ± 0.4 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1977
parity+

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

115Xe

mass number115
neutron number61
relative atomic mass
114.926293943 ± 0.000013 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
18 ± 3 s
Espin5/2
nuclear quadrupole moment
data de descobèrta1969
parity+

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

116Xe

mass number116
neutron number62
relative atomic mass
115.921580955 ± 0.000013974 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
59 ± 2 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1969
parity+

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

117Xe

mass number117
neutron number63
relative atomic mass
116.920358758 ± 0.000011141 Da
g-factor
-0.23752 ± 0.0006
natural abundance
Radioactivitat☢️ radioactive element
Semivida
61 ± 2 s
Espin5/2
nuclear quadrupole moment
1.1 ± 0.4
data de descobèrta1969
parity+

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

118Xe

mass number118
neutron number64
relative atomic mass
117.916178678 ± 0.000011141 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.8 ± 0.9 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1965
parity+

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

119Xe

mass number119
neutron number65
relative atomic mass
118.915410641 ± 0.000011141 Da
g-factor
-0.26168 ± 0.0006
natural abundance
Radioactivitat☢️ radioactive element
Semivida
5.8 ± 0.3 m
Espin5/2
nuclear quadrupole moment
1.29 ± 0.05
data de descobèrta1965
parity+

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

120Xe

mass number120
neutron number66
relative atomic mass
119.911784267 ± 0.000012686 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
46 ± 0.6 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1965
parity+

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

121Xe

mass number121
neutron number67
relative atomic mass
120.911453012 ± 0.000010995 Da
g-factor
-0.2804 ± 0.0012
natural abundance
Radioactivitat☢️ radioactive element
Semivida
40.1 ± 2 m
Espin5/2
nuclear quadrupole moment
1.31 ± 0.05
data de descobèrta1952
parity+

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

122Xe

mass number122
neutron number68
relative atomic mass
121.908367655 ± 0.000011928 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
20.1 ± 0.1 h
Espin0
nuclear quadrupole moment
0
data de descobèrta1952
parity+

decay modeintensity
ϵ (electron capture)100%

123Xe

mass number123
neutron number69
relative atomic mass
122.908482235 ± 0.000010234 Da
g-factor
-0.3 ± 0.006
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.08 ± 0.02 h
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1952
parity+

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

124Xe

mass number124
neutron number70
relative atomic mass
123.905885174 ± 0.000001457 Da
g-factor
0
natural abundance
0.095 ± 0.005
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1922
parity+

decay modeintensity
+ (double β+ decay)

125Xe

mass number125
neutron number71
relative atomic mass
124.90638764 ± 0.000001518 Da
g-factor
-0.538 ± 0.006
natural abundance
Radioactivitat☢️ radioactive element
Semivida
16.87 ± 0.08 h
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1950
parity+

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

126Xe

mass number126
neutron number72
relative atomic mass
125.904297422 ± 0.000000006 Da
g-factor
0
natural abundance
0.089 ± 0.003
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1922
parity+

decay modeintensity
+ (double β+ decay)

127Xe

mass number127
neutron number73
relative atomic mass
126.905183636 ± 0.000004388 Da
g-factor
-1.0066 ± 0.0022
natural abundance
Radioactivitat☢️ radioactive element
Semivida
36.342 ± 0.003 d
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1950
parity+

decay modeintensity
ϵ (electron capture)100%

128Xe

mass number128
neutron number74
relative atomic mass
127.90353075341 ± 0.00000000558 Da
g-factor
0
natural abundance
1.91 ± 0.013
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin0
nuclear quadrupole moment
0
data de descobèrta1922
parity+

129Xe

mass number129
neutron number75
relative atomic mass
128.90478085742 ± 0.00000000542 Da
g-factor
-1.555922 ± 0.000032
natural abundance
26.401 ± 0.138
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1920
parity+

130Xe

mass number130
neutron number76
relative atomic mass
129.903509346 ± 0.00000001 Da
g-factor
0
natural abundance
4.071 ± 0.022
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin0
nuclear quadrupole moment
0
data de descobèrta1922
parity+

131Xe

mass number131
neutron number77
relative atomic mass
130.90508412808 ± 0.00000000549 Da
g-factor
0.46123 ± 0.0000046666666666667
natural abundance
21.232 ± 0.051
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin3/2
nuclear quadrupole moment
-0.114 ± 0.001
data de descobèrta1920
parity+

132Xe

mass number132
neutron number78
relative atomic mass
131.90415508346 ± 0.00000000544 Da
g-factor
0
natural abundance
26.909 ± 0.055
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin0
nuclear quadrupole moment
0
data de descobèrta1920
parity+

133Xe

mass number133
neutron number79
relative atomic mass
132.905910748 ± 0.000002576 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
5.2474 ± 0.0005 d
Espin3/2
nuclear quadrupole moment
0.14 ± 0.005
data de descobèrta1940
parity+

decay modeintensity
β (β decay)100%

134Xe

mass number134
neutron number80
relative atomic mass
133.90539303 ± 0.000000006 Da
g-factor
0
natural abundance
10.436 ± 0.035
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1920
parity+

decay modeintensity
(double β decay)

135Xe

mass number135
neutron number81
relative atomic mass
134.907231441 ± 0.000003938 Da
g-factor
0.60213333333333 ± 0.00046666666666667
natural abundance
Radioactivitat☢️ radioactive element
Semivida
9.14 ± 0.02 h
Espin3/2
nuclear quadrupole moment
0.21 ± 0.007
data de descobèrta1940
parity+

decay modeintensity
β (β decay)100%

136Xe

mass number136
neutron number82
relative atomic mass
135.907214474 ± 0.000000007 Da
g-factor
0
natural abundance
8.857 ± 0.072
Radioactivitat☢️ radioactive element
Semivida
2.18 ± 0.05 Zy
Espin0
nuclear quadrupole moment
0
data de descobèrta1920
parity+

decay modeintensity
(double β decay)100%

137Xe

mass number137
neutron number83
relative atomic mass
136.911557771 ± 0.000000111 Da
g-factor
-0.27725714285714 ± 0.00028571428571429
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.818 ± 0.013 m
Espin7/2
nuclear quadrupole moment
-0.47 ± 0.02
data de descobèrta1943
parity-

decay modeintensity
β (β decay)100%

138Xe

mass number138
neutron number84
relative atomic mass
137.914146268 ± 0.00000301 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
14.14 ± 0.07 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1943
parity+

decay modeintensity
β (β decay)100%

139Xe

mass number139
neutron number85
relative atomic mass
138.9187922 ± 0.0000023 Da
g-factor
-0.20266666666667 ± 0.0010666666666667
natural abundance
Radioactivitat☢️ radioactive element
Semivida
39.68 ± 0.14 s
Espin3/2
nuclear quadrupole moment
0.39 ± 0.02
data de descobèrta1951
parity-

decay modeintensity
β (β decay)100%

140Xe

mass number140
neutron number86
relative atomic mass
139.921645814 ± 0.0000025 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
13.6 ± 0.1 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1951
parity+

decay modeintensity
β (β decay)100%

141Xe

mass number141
neutron number87
relative atomic mass
140.926787181 ± 0.0000031 Da
g-factor
0.004 ± 0.0012
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.73 ± 0.01 s
Espin5/2
nuclear quadrupole moment
-0.57 ± 0.02
data de descobèrta1951
parity-

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

142Xe

mass number142
neutron number88
relative atomic mass
141.929973095 ± 0.0000029 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.23 ± 0.02 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1960
parity+

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

143Xe

mass number143
neutron number89
relative atomic mass
142.93536955 ± 0.000005 Da
g-factor
-0.184 ± 0.0008
natural abundance
Radioactivitat☢️ radioactive element
Semivida
511 ± 6 ms
Espin5/2
nuclear quadrupole moment
0.91 ± 0.03
data de descobèrta1951
parity-

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

144Xe

mass number144
neutron number90
relative atomic mass
143.938945076 ± 0.0000057 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
388 ± 7 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta2003
parity+

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

145Xe

mass number145
neutron number91
relative atomic mass
144.944719631 ± 0.000012 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
188 ± 4 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta2003
parity-

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

146Xe

mass number146
neutron number92
relative atomic mass
145.948518245 ± 0.000026 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
146 ± 6 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1989
parity+

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

147Xe

mass number147
neutron number93
relative atomic mass
146.954482 ± 0.000215 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
88 ± 14 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1994
parity-

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

148Xe

mass number148
neutron number94
relative atomic mass
147.958508 ± 0.000322 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
85 ± 15 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta2010
parity+

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

149Xe

mass number149
neutron number95
relative atomic mass
148.964573 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta2018
parity-

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

150Xe

mass number150
neutron number96
relative atomic mass
149.968878 ± 0.000322 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta2018
parity+

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

istòria

descobridor o inventaireSir William Ramsay; M. W. Travers
luòc de descobèrtaEngland
data de descobèrta1898
EtimologiaGreek: xenos (strange).
pronunciationZEE-non (English)

source

Abundance
Abundance in Earth's crust
0.00003 mg/kg
natural abundance (Ocean)
0.00005 mg/L
natural abundance (còs uman)
natural abundance (meteoroid)
natural abundance (Solelh)
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