Xenó (Xe)

chemical element with atomic number of 54 and heaviest stable noble gas

Atomic Number	54
Atomic Weight	131.293
Rhif màs	132

Group	18
Period	5
Block	p

Proton	54 p⁺
Niwtron	78 n⁰
Electron	54 e^-

Nodwedd Ffisegol

Atomic Radius	232 pm
molar volume	42.9 cm³/mol
covalent radius	131 pm 135 pm 122 pm 140 pm
Metallic Radius
ionic radius	40 pm 48 pm
Crystal Radius	54 pm 62 pm
Van der Waals radius	216 pm 216 pm 228 pm 440.4 pm
density	0.005366 g/cm³

Nodwedd Gemegol

egni

proton affinity	499.6 kJ/mol
electron affinity	-0.056 eV/particle
ionization energy	12.1298431 eV/particle 20.975 eV/particle 31.05 eV/particle 42.2 eV/particle 54.14 eV/particle 66.703 eV/particle 91.6 eV/particle 105.9778 eV/particle 179.84 eV/particle 202 eV/particle 229.02 eV/particle 255 eV/particle 281 eV/particle 314 eV/particle 343 eV/particle 374 eV/particle 404 eV/particle 430 eV/particle 549 eV/particle 582 eV/particle 616 eV/particle 650 eV/particle 700 eV/particle 736 eV/particle 818 eV/particle 857.03 eV/particle 1,493 eV/particle 1,571 eV/particle 1,653 eV/particle 1,742 eV/particle 1,826 eV/particle 1,919 eV/particle 2,023 eV/particle 2,113 eV/particle 2,209 eV/particle 2,300 eV/particle 2,556 eV/particle 2,637 eV/particle 2,726 eV/particle 2,811 eV/particle 2,975 eV/particle 3,068 eV/particle 3,243 eV/particle 3,333.8 eV/particle 7,660 eV/particle 7,889 eV/particle 8,144 eV/particle 8,382 eV/particle 8,971 eV/particle 9,243 eV/particle 9,581 eV/particle 9,810.4 eV/particle 40,271.722 eV/particle 41,299.71 eV/particle

enthalpy of vaporization	12.65 kJ/mol
enthalpy of fusion
standard enthalpy of formation
Electron

plisgyn yr electron	2, 8, 18, 18, 8

valence electron	8 ⓘ

trefn yr electronnau	[Kr] 4d¹⁰ 5s² 5p⁶ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d¹⁰ 5s² 5p⁶

Cyflwr ocsidiad	0, 2, 4, 6, 8
Electronegatifedd	15.27 eV/particle 0.2333511 2.6
Electrophilicity Index	1.4953590614035728 eV/particle
cyflwr sylfaenol mater

cyflwr mater	Gas
gaseous state of matter	Monoatomic
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
lliw	Colorless #ff1493 #429eb0 #429eb0
appearance	colorless gas, exhibiting a blue glow when placed in a high voltage electric field
Mynegrif plygiant	1.000702
nodwedd ffisegol gwrthrych
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 ratio	5/3
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type	diamagnetic
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
strwythur
Crystal Structure	Face Centered Cubic (FCC)
lattice constant	6.2 Å
Lattice Angles	π/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound	1,090 m/s
classification
Category	Noble gases, Noble gases
CAS Group	VIII
IUPAC Group	VIIIA
Glawe Number	5
Mendeleev Number	116
Pettifor Number	5
Geochemical Class	volatile
Goldschmidt classification	atmophile

other

Gas Basicity	478.1 kJ/mol
polarizability	27.32 ± 0.2 a₀
C6 Dispersion Coefficient	302 a₀
allotrope
Neutron cross section	25
Neutron Mass Absorption	0.0083
quantum number	1S0
space group	225 (Fm_3m)

Isotopes of Xenon

Stable Isotopes	5
Unstable Isotopes	38
Natural Isotopes	9

¹⁰⁸Xe

Rhif màs	108
neutron number	54
Relative Atomic Mass	107.954232285 ± 0.000407406 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	72 ± 35 us
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2018
parity	+

decay mode	intensity
α (α emission)	100%

¹⁰⁹Xe

Rhif màs	109
neutron number	55
Relative Atomic Mass	108.950434955 ± 0.000322178 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	13 ± 2 ms
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	2006
parity	+

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

¹¹⁰Xe

Rhif màs	110
neutron number	56
Relative Atomic Mass	109.944258759 ± 0.000108415 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	93 ± 3 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1981
parity	+

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

¹¹¹Xe

Rhif màs	111
neutron number	57
Relative Atomic Mass	110.94147 ± 0.000124 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	740 ± 200 ms
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1979
parity	+

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

¹¹²Xe

Rhif màs	112
neutron number	58
Relative Atomic Mass	111.935559068 ± 0.000008891 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.7 ± 0.8 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1978
parity	+

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

¹¹³Xe

Rhif màs	113
neutron number	59
Relative Atomic Mass	112.933221663 ± 0.000007342 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.74 ± 0.08 s
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1973
parity	+

decay mode	intensity
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

Rhif màs	114
neutron number	60
Relative Atomic Mass	113.927980329 ± 0.000012 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10 ± 0.4 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹¹⁵Xe

Rhif màs	115
neutron number	61
Relative Atomic Mass	114.926293943 ± 0.000013 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	18 ± 3 s
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1969
parity	+

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

¹¹⁶Xe

Rhif màs	116
neutron number	62
Relative Atomic Mass	115.921580955 ± 0.000013974 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	59 ± 2 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹¹⁷Xe

Rhif màs	117
neutron number	63
Relative Atomic Mass	116.920358758 ± 0.000011141 Da
g-factor	-0.23752 ± 0.0006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	61 ± 2 s
spin	5/2
nuclear quadrupole moment	1.1 ± 0.4
dyddiad darganfod	1969
parity	+

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

¹¹⁸Xe

Rhif màs	118
neutron number	64
Relative Atomic Mass	117.916178678 ± 0.000011141 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.8 ± 0.9 m
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1965
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹¹⁹Xe

Rhif màs	119
neutron number	65
Relative Atomic Mass	118.915410641 ± 0.000011141 Da
g-factor	-0.26168 ± 0.0006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	5.8 ± 0.3 m
spin	5/2
nuclear quadrupole moment	1.29 ± 0.05
dyddiad darganfod	1965
parity	+

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

¹²⁰Xe

Rhif màs	120
neutron number	66
Relative Atomic Mass	119.911784267 ± 0.000012686 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	46 ± 0.6 m
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1965
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²¹Xe

Rhif màs	121
neutron number	67
Relative Atomic Mass	120.911453012 ± 0.000010995 Da
g-factor	-0.2804 ± 0.0012
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	40.1 ± 2 m
spin	5/2
nuclear quadrupole moment	1.31 ± 0.05
dyddiad darganfod	1952
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²²Xe

Rhif màs	122
neutron number	68
Relative Atomic Mass	121.908367655 ± 0.000011928 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	20.1 ± 0.1 h
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1952
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹²³Xe

Rhif màs	123
neutron number	69
Relative Atomic Mass	122.908482235 ± 0.000010234 Da
g-factor	-0.3 ± 0.006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.08 ± 0.02 h
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1952
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁴Xe

Rhif màs	124
neutron number	70
Relative Atomic Mass	123.905885174 ± 0.000001457 Da
g-factor	0
natural abundance	0.095 ± 0.005
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1922
parity	+

decay mode	intensity
2β⁺ (double β⁺ decay)

¹²⁵Xe

Rhif màs	125
neutron number	71
Relative Atomic Mass	124.90638764 ± 0.000001518 Da
g-factor	-0.538 ± 0.006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	16.87 ± 0.08 h
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁶Xe

Rhif màs	126
neutron number	72
Relative Atomic Mass	125.904297422 ± 0.000000006 Da
g-factor	0
natural abundance	0.089 ± 0.003
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1922
parity	+

decay mode	intensity
2β⁺ (double β⁺ decay)

¹²⁷Xe

Rhif màs	127
neutron number	73
Relative Atomic Mass	126.905183636 ± 0.000004388 Da
g-factor	-1.0066 ± 0.0022
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	36.342 ± 0.003 d
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1950
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹²⁸Xe

Rhif màs	128
neutron number	74
Relative Atomic Mass	127.90353075341 ± 0.00000000558 Da
g-factor	0
natural abundance	1.91 ± 0.013
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1922
parity	+

¹²⁹Xe

Rhif màs	129
neutron number	75
Relative Atomic Mass	128.90478085742 ± 0.00000000542 Da
g-factor	-1.555922 ± 0.000032
natural abundance	26.401 ± 0.138
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1920
parity	+

¹³⁰Xe

Rhif màs	130
neutron number	76
Relative Atomic Mass	129.903509346 ± 0.00000001 Da
g-factor	0
natural abundance	4.071 ± 0.022
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1922
parity	+

¹³¹Xe

Rhif màs	131
neutron number	77
Relative Atomic Mass	130.90508412808 ± 0.00000000549 Da
g-factor	0.46123 ± 0.0000046666666666667
natural abundance	21.232 ± 0.051
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0.114 ± 0.001
dyddiad darganfod	1920
parity	+

¹³²Xe

Rhif màs	132
neutron number	78
Relative Atomic Mass	131.90415508346 ± 0.00000000544 Da
g-factor	0
natural abundance	26.909 ± 0.055
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1920
parity	+

¹³³Xe

Rhif màs	133
neutron number	79
Relative Atomic Mass	132.905910748 ± 0.000002576 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	5.2474 ± 0.0005 d
spin	3/2
nuclear quadrupole moment	0.14 ± 0.005
dyddiad darganfod	1940
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁴Xe

Rhif màs	134
neutron number	80
Relative Atomic Mass	133.90539303 ± 0.000000006 Da
g-factor	0
natural abundance	10.436 ± 0.035
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1920
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)

¹³⁵Xe

Rhif màs	135
neutron number	81
Relative Atomic Mass	134.907231441 ± 0.000003938 Da
g-factor	0.60213333333333 ± 0.00046666666666667
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	9.14 ± 0.02 h
spin	3/2
nuclear quadrupole moment	0.21 ± 0.007
dyddiad darganfod	1940
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁶Xe

Rhif màs	136
neutron number	82
Relative Atomic Mass	135.907214474 ± 0.000000007 Da
g-factor	0
natural abundance	8.857 ± 0.072
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.18 ± 0.05 Zy
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1920
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)	100%

¹³⁷Xe

Rhif màs	137
neutron number	83
Relative Atomic Mass	136.911557771 ± 0.000000111 Da
g-factor	-0.27725714285714 ± 0.00028571428571429
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.818 ± 0.013 m
spin	7/2
nuclear quadrupole moment	-0.47 ± 0.02
dyddiad darganfod	1943
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁸Xe

Rhif màs	138
neutron number	84
Relative Atomic Mass	137.914146268 ± 0.00000301 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	14.14 ± 0.07 m
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1943
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁹Xe

Rhif màs	139
neutron number	85
Relative Atomic Mass	138.9187922 ± 0.0000023 Da
g-factor	-0.20266666666667 ± 0.0010666666666667
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	39.68 ± 0.14 s
spin	3/2
nuclear quadrupole moment	0.39 ± 0.02
dyddiad darganfod	1951
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁰Xe

Rhif màs	140
neutron number	86
Relative Atomic Mass	139.921645814 ± 0.0000025 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	13.6 ± 0.1 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴¹Xe

Rhif màs	141
neutron number	87
Relative Atomic Mass	140.926787181 ± 0.0000031 Da
g-factor	0.004 ± 0.0012
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.73 ± 0.01 s
spin	5/2
nuclear quadrupole moment	-0.57 ± 0.02
dyddiad darganfod	1951
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.044%

¹⁴²Xe

Rhif màs	142
neutron number	88
Relative Atomic Mass	141.929973095 ± 0.0000029 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.23 ± 0.02 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1960
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.37%

¹⁴³Xe

Rhif màs	143
neutron number	89
Relative Atomic Mass	142.93536955 ± 0.000005 Da
g-factor	-0.184 ± 0.0008
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	511 ± 6 ms
spin	5/2
nuclear quadrupole moment	0.91 ± 0.03
dyddiad darganfod	1951
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1%

¹⁴⁴Xe

Rhif màs	144
neutron number	90
Relative Atomic Mass	143.938945076 ± 0.0000057 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	388 ± 7 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2003
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3%

¹⁴⁵Xe

Rhif màs	145
neutron number	91
Relative Atomic Mass	144.944719631 ± 0.000012 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	188 ± 4 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	2003
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	5%
2n (2-neutron emission)

¹⁴⁶Xe

Rhif màs	146
neutron number	92
Relative Atomic Mass	145.948518245 ± 0.000026 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	146 ± 6 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1989
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.9%

¹⁴⁷Xe

Rhif màs	147
neutron number	93
Relative Atomic Mass	146.954482 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	88 ± 14 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1994
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	8%
2n (2-neutron emission)

¹⁴⁸Xe

Rhif màs	148
neutron number	94
Relative Atomic Mass	147.958508 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	85 ± 15 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

¹⁴⁹Xe

Rhif màs	149
neutron number	95
Relative Atomic Mass	148.964573 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	2018
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

¹⁵⁰Xe

Rhif màs	150
neutron number	96
Relative Atomic Mass	149.968878 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2018
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

hanes

darganfyddwr neu ddyfeisiwr	Sir William Ramsay; M. W. Travers
man darganfod	England
dyddiad darganfod	1898
geirdarddiad	Greek: xenos (strange).
ynganiad	ZEE-non (Saesneg)

source

Abundance
Abundance in Earth's crust	0.00003 mg/kg
natural abundance (cefnfor)	0.00005 mg/L
natural abundance (corff dynol)
natural abundance (Awyrfaen)
natural abundance (Haul)
Abundance in Universe	0.000001 %

Nuclear Screening Constants

1	s	1.0785
2	p	4.1654
2	s	14.197
3	d	14.0532
3	p	18.3324
3	s	18.4236
4	d	32.1068
4	p	29.0428
4	s	27.8272
5	p	41.5755
5	s	39.782

Xenó on ChemicalAid

Australian Educational Vocabulary ID	scot/3598
CAB ID	224864
ChEBI ID	49957
ChEMBL ID	CHEMBL1236802
ChemSpider ID	22427
Cod yr ATC	N01AX15
DSSTOX compound identifier	DTXCID5047665
DSSTox substance ID	DTXSID5064700
DeCS ID	15377
Den Store Danske ID	xenon
Dynodwr Drugbank (Alberta)	13453
ECHA Substance Infocard ID	100.028.338
French Vikidia ID	Xénon
GND	4190373-0
Great Russian Encyclopedia Online ID	2638924
InChI	InChI=1S/Xe
InChIKey	FHNFHKCVQCLJFQ-UHFFFAOYSA-N
NDF-RT	N0000147400
Namuwiki ID	제논(원소)
National Library of Israel J9U ID	987007529623105171
OmegaWiki Defined Meaning	159848
OpenAlex ID	C548442186
PDB Ligand	XE
PDB structure ID	1C6E
PDB structure ID	1C6H
PDB structure ID	1O75
PDB structure ID	1KQN
PDB structure ID	3MOU
PDB structure ID	3LZY
PDB structure ID	1L0Z
PDB structure ID	1UO6
PDB structure ID	1E9V
PDB structure ID	2IC0
PDB structure ID	4PWB
PDB structure ID	1I4W
PDB structure ID	3TF1
PDB structure ID	3TF9
PDB structure ID	3TFE
PDB structure ID	3TFA
PDB structure ID	1NXT
PDB structure ID	1UOC
PDB structure ID	2FIC
PDB structure ID	5C2W
PDB structure ID	2B2J
PDB structure ID	2W6X
PDB structure ID	2XKH
PDB structure ID	3FGR
PDB structure ID	2IE6
PDB structure ID	1U0X
PDB structure ID	1L1G
PDB structure ID	3FBX
PDB structure ID	4O4T
PDB structure ID	3PLE
PDB structure ID	3PLG
PDB structure ID	3PLI
PDB structure ID	3PLH
PDB structure ID	3PLJ
PDB structure ID	3PLM
PDB structure ID	1C6T
PDB structure ID	1C6B
PDB structure ID	1C6N
PDB structure ID	1C6K
PDB structure ID	1C65
PDB structure ID	1C62
PDB structure ID	4NXA
PDB structure ID	4WN9
PDB structure ID	4L78
PDB structure ID	1K4K
PDB structure ID	2W6Y
PDB structure ID	1FO6
PDB structure ID	3C9I
PDB structure ID	2W72
PDB structure ID	1LLS
PDB structure ID	2W6W
PDB structure ID	2W6V
PDB structure ID	1FZI
PDB structure ID	1FZH
PDB structure ID	3PJK
PDB structure ID	3FZ6
PDB structure ID	1UYU
PDB structure ID	3CYU
PDB structure ID	1S56
PDB structure ID	1URY
PDB structure ID	2A7B
PDB structure ID	2A7C
PDB structure ID	2A7A
PDB structure ID	2A7D
PDB structure ID	3GLN
PDB structure ID	1VAU
PDB structure ID	1RJO
PDB structure ID	1W53
PDB structure ID	1VGI
PDB structure ID	2W0Q
PDB structure ID	2OQE
PDB structure ID	2OQU
PDB structure ID	3PKF
PDB structure ID	3PKG
PDB structure ID	3PK4
PDB structure ID	3PK5
PDB structure ID	3PK6
PDB structure ID	2ZFE
PDB structure ID	5BU8
PDB structure ID	3U52
PDB structure ID	1W2Z
PDB structure ID	1GKZ
PDB structure ID	1C3L
PDB structure ID	3M3D
PDB structure ID	2A9R
PDB structure ID	1J52
PDB structure ID	3PKK
PDB structure ID	3QPK
PDB structure ID	1RKY
PDB structure ID	3S33
PDB structure ID	3S39
PDB structure ID	3S38
PDB structure ID	3S3C
PDB structure ID	3S3B
PDB structure ID	3S3A
PDB structure ID	3S3D
PDB structure ID	4NWH
PDB structure ID	1UVX
PDB structure ID	1UVY
PDB structure ID	1C1M
PDB structure ID	3ZJS
PDB structure ID	3ZJR
PDB structure ID	3PKL
PDB structure ID	3PKH
PDB structure ID	4GUV
PDB structure ID	4MGH
PDB structure ID	3LS7
PDB structure ID	4WNA
PDB structure ID	1C68
PDB structure ID	1ZDM
PDB structure ID	2DKI
PDB structure ID	1UX9
PDB structure ID	3G46
PDB structure ID	4ZZB
PDB structure ID	4ZZC
PDB structure ID	3BVD
PDB structure ID	3S23
PDB structure ID	3GK9
PDB structure ID	4YLH
PDB structure ID	5A6V
PDB structure ID	2Z8Y
PDB structure ID	2Z8A
PDB structure ID	1C10
PDB structure ID	3ORD
Probes And Drugs ID	PD071828
PubChem CID	23991
Rhif Cofrestru CAS	7440-63-3
RxNorm ID	11363
Römpp online ID	RD-24-00082
Store norske leksikon ID	xenon
UMLS CUI	C0043339
UNII	3H3U766W84
USGS Thesaurus ID	1613
WordNet 3.1 Synset ID	14685453-n
ZVG number	7540
dynodwr AAT	300380341
dynodwr BnF	12144893f
dynodwr Encyclopædia Britannica Online	science/xenon
dynodwr Encyclopædia Universalis	xenon
dynodwr Freebase	/m/025sqqf
dynodwr ICSC	0609
dynodwr KBpedia	Xenon
dynodwr KEGG	C13373
dynodwr LCAuth	sh85148790
dynodwr LEM	LEM201009325
dynodwr MeSH	D014978
dynodwr NDL	00575282
dynodwr NKC	ph127505
dynodwr PSH	5819
dynodwr Quora	Xenon
dynodwr Treccani	xeno
dynodwr YSO	17757
dynodwr yn thesawrws y BNCF	38976

Xenó (Xe)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Xenon

108Xe

109Xe

110Xe

111Xe

112Xe

113Xe

114Xe

115Xe

116Xe

117Xe

118Xe

119Xe

120Xe

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137Xe

138Xe

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140Xe

141Xe

142Xe

143Xe

144Xe

145Xe

146Xe

147Xe

148Xe

149Xe

150Xe

hanes

source

Nuclear Screening Constants

¹⁰⁸Xe

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