Kripton

Kripton (Kr)

chemical element with symbol Kr and atomic number 36; rare gas
Atomic Number36
Atomic Weight83.798
mass number84
Group18
Period4
Blockp
Proton36 p+
Neytron48 n0
Elektron36 e-
Animated Bohr model of Kr (Kripton)

Fizik Xossa

Atom Radiusi
Molyar hajm
Kovalentlik Radiusi
117 pm
Metallic Radius
Ion radiuslar
Crystal Radius
Van der Waals radius
202 pm
density
0,003425 g/cm³

Chemical Property

energiya
proton affinity
424,6 kJ/mol
electron affinity
ionization energy
13,9996049 eV/particle
ionization energy of Kr (Kripton)
Solishtirma qaynash issiqligi
9,05 kJ/mol
solishtirma erish issiqligi
standard enthalpy of formation
Elektron
Ion asboblar2, 8, 18, 8
Bohr model: Kr (Kripton)
valence electron8
Lewis structure: Kr (Kripton)
electron configuration[Ar] 3d10 4s2 4p6
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
Enhanced Bohr model of Kr (Kripton)
Orbital Diagram of Kr (Kripton)
Oksidlanish darajasi0, 1, 2
Elektrmanfiylik
Electrophilicity Index
fundamental state of matter
phase of matterGas
gaseous state of matterMonoatomic
Boiling Point
119,735 K
Melting Point
115,78 K
critical pressure
5,525 MPa
critical temperature
209,48 K
triple point
115,775 K
73,53 kPa
appearance
Rang
Colorless
appearancecolorless gas, exhibiting a whitish glow in a high electric field
refractive index
1,000427
thermodynamic material property
Thermal Conductivity
0,0095 W/(m K)
Issiqlikdan kengayish
molar heat capacity
20,786 J/(mol K)
Specific Heat Capacity
0,248 J/(g⋅K)
heat capacity ratio5/3
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
Magnetizm
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000044 m³/Kg
magnetic susceptibility (Molar)
-0,000000000369 m³/mol
magnetic susceptibility (Volume)
-0,0000000165
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal StructureFace Centered Cubic (FCC)
Kristall panjara davri
5,72 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Qattiqlik
bulk modulus
shear modulus
Yung moduli
Poisson's ratio
Tovush tezligi
1 120 m/s
klassifikatsiya
CategoryNoble gases, Noble gases
CAS GroupVIII
IUPAC GroupVIIIA
Glawe Number4
Mendeleev Number115
Pettifor Number4
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
402,4 kJ/mol
polarizability
16,78 ± 0,02 a₀
C6 Dispersion Coefficient
130 a₀
allotrope
Neutron cross section
25
Neutron Mass Absorption
0,013
Atom kvant sonlari1S0
space group225 (Fm_3m)

Isotopes of Krypton

Stable Isotopes4
Unstable Isotopes31
Natural Isotopes6
Isotopic Composition8456.99%8456.99%8617.28%8617.28%8211.59%8211.59%8311.50%8311.50%802.29%802.29%780.36%780.36%

67Kr

mass number67
neutron number31
Nisbiy atom massa
66,983305 ± 0,000455 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
7,4 ± 2,9 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention2016
parity-

decay modeintensity
2p (2-proton emission)37%
β+ (β+ decay; β+ = ϵ + e+)

68Kr

mass number68
neutron number32
Nisbiy atom massa
67,972489 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
21,6 ± 3,3 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention2016
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)90%
p (proton emission)

69Kr

mass number69
neutron number33
Nisbiy atom massa
68,965496 ± 0,000322 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
27,9 ± 0,8 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1995
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)94%

70Kr

mass number70
neutron number34
Nisbiy atom massa
69,955877 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
45 ± 0,14 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1995
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.3%

71Kr

mass number71
neutron number35
Nisbiy atom massa
70,950265695 ± 0,000138238 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
98,8 ± 0,3 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1981
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)2.1%

72Kr

mass number72
neutron number36
Nisbiy atom massa
71,942092406 ± 0,0000086 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
17,16 ± 0,18 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1973
parity+

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

73Kr

mass number73
neutron number37
Nisbiy atom massa
72,939289193 ± 0,000007061 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
27,3 ± 1 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1972
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.25%

74Kr

mass number74
neutron number38
Nisbiy atom massa
73,933084016 ± 0,000002161 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
11,5 ± 0,11 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1960
parity+

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

75Kr

mass number75
neutron number39
Nisbiy atom massa
74,930945744 ± 0,0000087 Da
g-factor
-0,2124 ± 0,0016
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4,6 ± 0,07 m
spin5/2
nuclear quadrupole moment
1,137 ± 0,013
time of discovery or invention1960
parity+

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

76Kr

mass number76
neutron number40
Nisbiy atom massa
75,925910743 ± 0,000004308 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
14,8 ± 0,1 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

77Kr

mass number77
neutron number41
Nisbiy atom massa
76,924669999 ± 0,0000021 Da
g-factor
-0,2332 ± 0,0012
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
72,6 ± 0,9 m
spin5/2
nuclear quadrupole moment
0,948 ± 0,01
time of discovery or invention1948
parity+

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

78Kr

mass number78
neutron number42
Nisbiy atom massa
77,920366341 ± 0,000000329 Da
g-factor
0
natural abundance
0,355 ± 0,003
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

decay modeintensity
+ (double β+ decay)

79Kr

mass number79
neutron number43
Nisbiy atom massa
78,920082919 ± 0,000003736 Da
g-factor
1,072 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
35,04 ± 0,1 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1948
parity-

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

80Kr

mass number80
neutron number44
Nisbiy atom massa
79,91637794 ± 0,000000745 Da
g-factor
0
natural abundance
2,286 ± 0,01
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

81Kr

mass number81
neutron number45
Nisbiy atom massa
80,916589703 ± 0,000001152 Da
g-factor
-0,25914285714286 ± 0,00057142857142857
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
229 ± 11 ky
spin7/2
nuclear quadrupole moment
0,644 ± 0,004
time of discovery or invention1950
parity+

decay modeintensity
ϵ (electron capture)100%

82Kr

mass number82
neutron number46
Nisbiy atom massa
81,91348115368 ± 0,00000000591 Da
g-factor
0
natural abundance
11,593 ± 0,031
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

83Kr

mass number83
neutron number47
Nisbiy atom massa
82,914126516 ± 0,000000009 Da
g-factor
-0,21571777777778 ± 0,00000066666666666667
natural abundance
11,5 ± 0,019
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin9/2
nuclear quadrupole moment
0,259 ± 0,001
time of discovery or invention1920
parity+

84Kr

mass number84
neutron number48
Nisbiy atom massa
83,91149772708 ± 0,0000000041 Da
g-factor
0
natural abundance
56,987 ± 0,015
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

85Kr

mass number85
neutron number49
Nisbiy atom massa
84,91252726 ± 0,000002147 Da
g-factor
-0,22344444444444 ± 0,000088888888888889
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10,728 ± 0,007 y
spin9/2
nuclear quadrupole moment
0,443 ± 0,003
time of discovery or invention1940
parity+

decay modeintensity
β (β decay)100%

86Kr

mass number86
neutron number50
Nisbiy atom massa
85,91061062468 ± 0,00000000399 Da
g-factor
0
natural abundance
17,279 ± 0,041
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

decay modeintensity
(double β decay)

87Kr

mass number87
neutron number51
Nisbiy atom massa
86,913354759 ± 0,000000264 Da
g-factor
-0,4088 ± 0,0008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
76,3 ± 0,5 m
spin5/2
nuclear quadrupole moment
-0,3 ± 0,003
time of discovery or invention1940
parity+

decay modeintensity
β (β decay)100%

88Kr

mass number88
neutron number52
Nisbiy atom massa
87,914447879 ± 0,0000028 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,825 ± 0,019 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1939
parity+

decay modeintensity
β (β decay)100%

89Kr

mass number89
neutron number53
Nisbiy atom massa
88,917835449 ± 0,0000023 Da
g-factor
-0,22 ± 0,002
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,15 ± 0,04 m
spin3/2
nuclear quadrupole moment
0,166 ± 0,002
time of discovery or invention1940
parity+

decay modeintensity
β (β decay)100%

90Kr

mass number90
neutron number54
Nisbiy atom massa
89,919527929 ± 0,000002 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
32,32 ± 0,09 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%

91Kr

mass number91
neutron number55
Nisbiy atom massa
90,923806309 ± 0,0000024 Da
g-factor
-0,2332 ± 0,0008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
8,57 ± 0,04 s
spin5/2
nuclear quadrupole moment
0,303 ± 0,006
time of discovery or invention1951
parity+

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

92Kr

mass number92
neutron number56
Nisbiy atom massa
91,926173092 ± 0,0000029 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,84 ± 0,008 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.0332%

93Kr

mass number93
neutron number57
Nisbiy atom massa
92,931147172 ± 0,0000027 Da
g-factor
-0,826 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,287 ± 0,01 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.95%

94Kr

mass number94
neutron number58
Nisbiy atom massa
93,934140452 ± 0,000013 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
212 ± 4 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1972
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.11%

95Kr

mass number95
neutron number59
Nisbiy atom massa
94,939710922 ± 0,00002 Da
g-factor
-0,82 ± 0,006
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
114 ± 3 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.87%
2n (2-neutron emission)

96Kr

mass number96
neutron number60
Nisbiy atom massa
95,943014473 ± 0,000020695 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
80 ± 8 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.7%

97Kr

mass number97
neutron number61
Nisbiy atom massa
96,949088782 ± 0,00014 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
62,2 ± 3,2 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)6.7%
2n (2-neutron emission)

98Kr

mass number98
neutron number62
Nisbiy atom massa
97,952635 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
42,8 ± 3,6 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7%
2n (2-neutron emission)

99Kr

mass number99
neutron number63
Nisbiy atom massa
98,958776 ± 0,000429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
40 ± 11 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1997
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)11%
2n (2-neutron emission)

100Kr

mass number100
neutron number64
Nisbiy atom massa
99,962995 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
12 ± 8 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1997
parity+

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

101Kr

mass number101
neutron number65
Nisbiy atom massa
100,969318 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin5/2
nuclear quadrupole moment
time of discovery or invention2010
parity+

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

tarix

discoverer or inventorSir William Ramsey, M.W. Travers
location of discoveryGreat Britain
time of discovery or invention1898
EtimologiyaGreek: kryptos (hidden).
pronunciationKRIP-ton (inglizcha)

source

Abundance
Abundance in Earth's crust
0,0001 mg/kg
natural abundance (Okean)
0,00021 mg/L
natural abundance (Inson tanasi)
natural abundance (Meteoroid)
natural abundance (Quyosh)
Abundance in Universe
0,000004 %

Nuclear Screening Constants

1s0.7684
2p3.953
2s9.602
3d15.3741
3p15.5658
3s14.9673
4p26.2308
4s24.6844