Kripton

Kripton (Kr)

hemijski element sa simbolom Kr i atomskim brojem 36
Atomic Number36
Atomic Weight83.798
Maseni broj84
Group18
Period4
Blockp
Proton36 p+
Neutron48 n0
Elektron36 e-
Animated Bohrov model atoma of Kr (Kripton)

Physical Property

Atomski Radijus
Molarni volumen
covalent radius
117 pm
Metallic Radius
Ionski radijus
Crystal Radius
Van der Waalsov radijus
202 pm
gustoća
0,003425 g/cm³

Chemical Property

energija
proton affinity
424,6 kJ/mol
electron affinity
ionization energy
13,9996049 eV/particle
ionization energy of Kr (Kripton)
Toplota isparavanja
9,05 kJ/mol
toplota topljenja
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 8
Bohrov model atoma: Kr (Kripton)
Valentni elektron8
Lewis structure: Kr (Kripton)
electron configuration[Ar] 3d10 4s2 4p6
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
Enhanced Bohrov model atoma of Kr (Kripton)
Orbital Diagram of Kr (Kripton)
oksidacijsko stanje0, 1, 2
Elektronegativnost
Electrophilicity Index
fundamental state of matter
agregatno stanjeGas
gaseous state of matterMonoatomic
Boiling Point
119,735 K
Melting Point
115,78 K
critical pressure
5,525 MPa
Kritična temperatura
209,48 K
Trojna tačka
115,775 K
73,53 kPa
appearance
boja
Colorless
appearancecolorless gas, exhibiting a whitish glow in a high electric field
Indeks prelamanja
1,000427
thermodynamic material property
Thermal Conductivity
0,0095 W/(m K)
thermal expansion
molar heat capacity
20,786 J/(mol K)
Specific Heat Capacity
0,248 J/(g⋅K)
heat capacity ratio5/3
electrical properties
type
Specifična električna provodljivost
electrical resistivity
Superprovodljivost
Magnetizam
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000044 m³/Kg
magnetic susceptibility (Molar)
-0,000000000369 m³/mol
magnetic susceptibility (Volume)
-0,0000000165
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureFace Centered Cubic (FCC)
lattice constant
5,72 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
1.120 m/s
klasifikacija
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
Kvantni brojevi1S0
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

Maseni broj67
broj neutrona31
relative atomic mass
66,983305 ± 0,000455 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,4 ± 2,9 ms
spin3/2
nuclear quadrupole moment
datum otkrića2016
parity-

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

68Kr

Maseni broj68
broj neutrona32
relative atomic mass
67,972489 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,6 ± 3,3 ms
spin0
nuclear quadrupole moment
0
datum otkrića2016
parity+

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

69Kr

Maseni broj69
broj neutrona33
relative atomic mass
68,965496 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
27,9 ± 0,8 ms
spin5/2
nuclear quadrupole moment
datum otkrića1995
parity-

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

70Kr

Maseni broj70
broj neutrona34
relative atomic mass
69,955877 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
45 ± 0,14 ms
spin0
nuclear quadrupole moment
0
datum otkrića1995
parity+

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

71Kr

Maseni broj71
broj neutrona35
relative atomic mass
70,950265695 ± 0,000138238 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
98,8 ± 0,3 ms
spin5/2
nuclear quadrupole moment
datum otkrića1981
parity

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

72Kr

Maseni broj72
broj neutrona36
relative atomic mass
71,942092406 ± 0,0000086 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,16 ± 0,18 s
spin0
nuclear quadrupole moment
0
datum otkrića1973
parity+

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

73Kr

Maseni broj73
broj neutrona37
relative atomic mass
72,939289193 ± 0,000007061 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
27,3 ± 1 s
spin3/2
nuclear quadrupole moment
datum otkrića1972
parity

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

74Kr

Maseni broj74
broj neutrona38
relative atomic mass
73,933084016 ± 0,000002161 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,5 ± 0,11 m
spin0
nuclear quadrupole moment
0
datum otkrića1960
parity+

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

75Kr

Maseni broj75
broj neutrona39
relative atomic mass
74,930945744 ± 0,0000087 Da
g-factor
-0,2124 ± 0,0016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,6 ± 0,07 m
spin5/2
nuclear quadrupole moment
1,137 ± 0,013
datum otkrića1960
parity+

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

76Kr

Maseni broj76
broj neutrona40
relative atomic mass
75,925910743 ± 0,000004308 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,8 ± 0,1 h
spin0
nuclear quadrupole moment
0
datum otkrića1954
parity+

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

77Kr

Maseni broj77
broj neutrona41
relative atomic mass
76,924669999 ± 0,0000021 Da
g-factor
-0,2332 ± 0,0012
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
72,6 ± 0,9 m
spin5/2
nuclear quadrupole moment
0,948 ± 0,01
datum otkrića1948
parity+

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

78Kr

Maseni broj78
broj neutrona42
relative atomic mass
77,920366341 ± 0,000000329 Da
g-factor
0
natural abundance
0,355 ± 0,003
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1920
parity+

decay modeintensity
+ (double β+ decay)

79Kr

Maseni broj79
broj neutrona43
relative atomic mass
78,920082919 ± 0,000003736 Da
g-factor
1,072 ± 0,004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
35,04 ± 0,1 h
spin1/2
nuclear quadrupole moment
0
datum otkrića1948
parity-

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

80Kr

Maseni broj80
broj neutrona44
relative atomic mass
79,91637794 ± 0,000000745 Da
g-factor
0
natural abundance
2,286 ± 0,01
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1920
parity+

81Kr

Maseni broj81
broj neutrona45
relative atomic mass
80,916589703 ± 0,000001152 Da
g-factor
-0,25914285714286 ± 0,00057142857142857
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
229 ± 11 ky
spin7/2
nuclear quadrupole moment
0,644 ± 0,004
datum otkrića1950
parity+

decay modeintensity
ϵ (electron capture)100%

82Kr

Maseni broj82
broj neutrona46
relative atomic mass
81,91348115368 ± 0,00000000591 Da
g-factor
0
natural abundance
11,593 ± 0,031
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1920
parity+

83Kr

Maseni broj83
broj neutrona47
relative atomic mass
82,914126516 ± 0,000000009 Da
g-factor
-0,21571777777778 ± 0,00000066666666666667
natural abundance
11,5 ± 0,019
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin9/2
nuclear quadrupole moment
0,259 ± 0,001
datum otkrića1920
parity+

84Kr

Maseni broj84
broj neutrona48
relative atomic mass
83,91149772708 ± 0,0000000041 Da
g-factor
0
natural abundance
56,987 ± 0,015
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1920
parity+

85Kr

Maseni broj85
broj neutrona49
relative atomic mass
84,91252726 ± 0,000002147 Da
g-factor
-0,22344444444444 ± 0,000088888888888889
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,728 ± 0,007 y
spin9/2
nuclear quadrupole moment
0,443 ± 0,003
datum otkrića1940
parity+

decay modeintensity
β (β decay)100%

86Kr

Maseni broj86
broj neutrona50
relative atomic mass
85,91061062468 ± 0,00000000399 Da
g-factor
0
natural abundance
17,279 ± 0,041
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1920
parity+

decay modeintensity
(double β decay)

87Kr

Maseni broj87
broj neutrona51
relative atomic mass
86,913354759 ± 0,000000264 Da
g-factor
-0,4088 ± 0,0008
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
76,3 ± 0,5 m
spin5/2
nuclear quadrupole moment
-0,3 ± 0,003
datum otkrića1940
parity+

decay modeintensity
β (β decay)100%

88Kr

Maseni broj88
broj neutrona52
relative atomic mass
87,914447879 ± 0,0000028 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,825 ± 0,019 h
spin0
nuclear quadrupole moment
0
datum otkrića1939
parity+

decay modeintensity
β (β decay)100%

89Kr

Maseni broj89
broj neutrona53
relative atomic mass
88,917835449 ± 0,0000023 Da
g-factor
-0,22 ± 0,002
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,15 ± 0,04 m
spin3/2
nuclear quadrupole moment
0,166 ± 0,002
datum otkrića1940
parity+

decay modeintensity
β (β decay)100%

90Kr

Maseni broj90
broj neutrona54
relative atomic mass
89,919527929 ± 0,000002 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
32,32 ± 0,09 s
spin0
nuclear quadrupole moment
0
datum otkrića1951
parity+

decay modeintensity
β (β decay)100%

91Kr

Maseni broj91
broj neutrona55
relative atomic mass
90,923806309 ± 0,0000024 Da
g-factor
-0,2332 ± 0,0008
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,57 ± 0,04 s
spin5/2
nuclear quadrupole moment
0,303 ± 0,006
datum otkrića1951
parity+

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

92Kr

Maseni broj92
broj neutrona56
relative atomic mass
91,926173092 ± 0,0000029 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,84 ± 0,008 s
spin0
nuclear quadrupole moment
0
datum otkrića1951
parity+

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

93Kr

Maseni broj93
broj neutrona57
relative atomic mass
92,931147172 ± 0,0000027 Da
g-factor
-0,826 ± 0,004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,287 ± 0,01 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1951
parity+

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

94Kr

Maseni broj94
broj neutrona58
relative atomic mass
93,934140452 ± 0,000013 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
212 ± 4 ms
spin0
nuclear quadrupole moment
0
datum otkrića1972
parity+

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

95Kr

Maseni broj95
broj neutrona59
relative atomic mass
94,939710922 ± 0,00002 Da
g-factor
-0,82 ± 0,006
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
114 ± 3 ms
spin1/2
nuclear quadrupole moment
0
datum otkrića1994
parity+

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

96Kr

Maseni broj96
broj neutrona60
relative atomic mass
95,943014473 ± 0,000020695 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
80 ± 8 ms
spin0
nuclear quadrupole moment
0
datum otkrića1994
parity+

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

97Kr

Maseni broj97
broj neutrona61
relative atomic mass
96,949088782 ± 0,00014 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
62,2 ± 3,2 ms
spin3/2
nuclear quadrupole moment
datum otkrića1997
parity+

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

98Kr

Maseni broj98
broj neutrona62
relative atomic mass
97,952635 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
42,8 ± 3,6 ms
spin0
nuclear quadrupole moment
0
datum otkrića1997
parity+

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

99Kr

Maseni broj99
broj neutrona63
relative atomic mass
98,958776 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
40 ± 11 ms
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity-

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

100Kr

Maseni broj100
broj neutrona64
relative atomic mass
99,962995 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12 ± 8 ms
spin0
nuclear quadrupole moment
0
datum otkrića1997
parity+

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

101Kr

Maseni broj101
broj neutrona65
relative atomic mass
100,969318 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića2010
parity+

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

historija

otkrivač ili izumiteljSir William Ramsey, M.W. Travers
mjesto otkrićaGreat Britain
datum otkrića1898
EtimologijaGreek: kryptos (hidden).
pronunciationKRIP-ton (engleski)

izvor

Abundance
Abundance in Earth's crust
0,0001 mg/kg
natural abundance (okean)
0,00021 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
natural abundance (Sunce)
Abundance in Universe
0,000004 %

Nuclear Screening Constants

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