Kripton (Kr)

hemijski element sa simbolom Kr i atomskim brojem 36

Atomic Number	36
Atomic Weight	83.798
Maseni broj	84

Group	18
Period	4
Block	p

Proton	36 p⁺
Neutron	48 n⁰
Elektron	36 e^-

Animated Bohrov model atoma of Kr (Kripton)

Physical Property

Atomski Radijus	212 pm
Molarni volumen	32,2 cm³/mol
covalent radius	117 pm 121 pm 108 pm 116 pm
Metallic Radius
Ionski radijus
Crystal Radius
Van der Waalsov radijus	202 pm 202 pm 215 pm 414,1 pm
gustoća	0,003425 g/cm³

Chemical Property

{ERROR}

energija

proton affinity	424,6 kJ/mol
electron affinity
ionization energy	13,9996049 eV/particle 24,35984 eV/particle 35,67 eV/particle 50,85 eV/particle 64,69 eV/particle 78,49 eV/particle 109,13 eV/particle 125,8024 eV/particle 233 eV/particle 268 eV/particle 308 eV/particle 350 eV/particle 391 eV/particle 446 eV/particle 492 eV/particle 540 eV/particle 591 eV/particle 640 eV/particle 785 eV/particle 831,64 eV/particle 882,8 eV/particle 945 eV/particle 999 eV/particle 1.042 eV/particle 1.155 eV/particle 1.205,233 eV/particle 2.928,9 eV/particle 3.072 eV/particle 3.228 eV/particle 3.380 eV/particle 3.584 eV/particle 3.752 eV/particle 3.971 eV/particle 4.109,083 eV/particle 17.296,42 eV/particle 17.936,208 eV/particle

Toplota isparavanja	9,05 kJ/mol
toplota topljenja
standard enthalpy of formation
Elektron

electron shell	2, 8, 18, 8

Valentni elektron	8 ⓘ

electron configuration	[Ar] 3d¹⁰ 4s² 4p⁶ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶

oksidacijsko stanje	0, 1, 2
Elektronegativnost	17,54 eV/particle 0.2584813
Electrophilicity Index
fundamental state of matter

agregatno stanje
gaseous state of matter	Monoatomic
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	Black #ff1493 #5cb8d1 #5cb8d1
appearance	colorless 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 ratio	5/3
electrical properties
type
Specifična električna provodljivost
electrical resistivity
Superprovodljivost
Magnetizam
type	diamagnetic
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 Structure	{ERROR}
lattice constant	5,72 Å
Lattice Angles	π/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
Category	Actinides, Noble gases
CAS Group	VIII
IUPAC Group	VIIIA
Glawe Number	4
Mendeleev Number	115
Pettifor Number	4
Geochemical Class	volatile
Goldschmidt classification	atmophile

other

Gas Basicity	402,4 kJ/mol
polarizability	16,78 ± 0,02 a₀
C6 Dispersion Coefficient	130 a₀ 136 a₀
allotrope
Neutron cross section	25
Neutron Mass Absorption	0,013
Kvantni brojevi	1S0
space group	225 (Fm_3m)

Isotopes of Krypton

Stable Isotopes	4
Unstable Isotopes	31
Natural Isotopes	6

⁶⁷Kr

Maseni broj	67
broj neutrona	31
Relative Atomic Mass	66,983305 ± 0,000455 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,4 ± 2,9 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	2016
parity	-

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

⁶⁸Kr

Maseni broj	68
broj neutrona	32
Relative Atomic Mass	67,972489 ± 0,000537 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21,6 ± 3,3 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	2016
parity	+

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

⁶⁹Kr

Maseni broj	69
broj neutrona	33
Relative Atomic Mass	68,965496 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	27,9 ± 0,8 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1995
parity	-

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

⁷⁰Kr

Maseni broj	70
broj neutrona	34
Relative Atomic Mass	69,955877 ± 0,000215 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	45 ± 0,14 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1995
parity	+

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

⁷¹Kr

Maseni broj	71
broj neutrona	35
Relative Atomic Mass	70,950265695 ± 0,000138238 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	98,8 ± 0,3 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1981
parity

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

⁷²Kr

Maseni broj	72
broj neutrona	36
Relative Atomic Mass	71,942092406 ± 0,0000086 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	17,16 ± 0,18 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1973
parity	+

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

⁷³Kr

Maseni broj	73
broj neutrona	37
Relative Atomic Mass	72,939289193 ± 0,000007061 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	27,3 ± 1 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1972
parity

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

⁷⁴Kr

Maseni broj	74
broj neutrona	38
Relative Atomic Mass	73,933084016 ± 0,000002161 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	11,5 ± 0,11 m
spin	0
nuclear quadrupole moment	0
datum otkrića	1960
parity	+

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

⁷⁵Kr

Maseni broj	75
broj neutrona	39
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
spin	5/2
nuclear quadrupole moment	1,137 ± 0,013
datum otkrića	1960
parity	+

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

⁷⁶Kr

Maseni broj	76
broj neutrona	40
Relative Atomic Mass	75,925910743 ± 0,000004308 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	14,8 ± 0,1 h
spin	0
nuclear quadrupole moment	0
datum otkrića	1954
parity	+

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

⁷⁷Kr

Maseni broj	77
broj neutrona	41
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
spin	5/2
nuclear quadrupole moment	0,948 ± 0,01
datum otkrića	1948
parity	+

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

⁷⁸Kr

Maseni broj	78
broj neutrona	42
Relative Atomic Mass	77,920366341 ± 0,000000329 Da
g-factor	0
natural abundance	0,355 ± 0,003
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
datum otkrića	1920
parity	+

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

⁷⁹Kr

Maseni broj	79
broj neutrona	43
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
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1948
parity	-

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

⁸⁰Kr

Maseni broj	80
broj neutrona	44
Relative Atomic Mass	79,91637794 ± 0,000000745 Da
g-factor	0
natural abundance	2,286 ± 0,01
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
datum otkrića	1920
parity	+

⁸¹Kr

Maseni broj	81
broj neutrona	45
Relative Atomic Mass	80,916589703 ± 0,000001152 Da
g-factor	-0,25914285714286 ± 0,00057142857142857
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	229 ± 11 ky
spin	7/2
nuclear quadrupole moment	0,644 ± 0,004
datum otkrića	1950
parity	+

decay mode	intensity
ϵ (electron capture)	100%

⁸²Kr

Maseni broj	82
broj neutrona	46
Relative Atomic Mass	81,91348115368 ± 0,00000000591 Da
g-factor	0
natural abundance	11,593 ± 0,031
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
datum otkrića	1920
parity	+

⁸³Kr

Maseni broj	83
broj neutrona	47
Relative Atomic Mass	82,914126516 ± 0,000000009 Da
g-factor	-0,21571777777778 ± 0,00000066666666666667
natural abundance	11,5 ± 0,019
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	9/2
nuclear quadrupole moment	0,259 ± 0,001
datum otkrića	1920
parity	+

⁸⁴Kr

Maseni broj	84
broj neutrona	48
Relative Atomic Mass	83,91149772708 ± 0,0000000041 Da
g-factor	0
natural abundance	56,987 ± 0,015
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
datum otkrića	1920
parity	+

⁸⁵Kr

Maseni broj	85
broj neutrona	49
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
spin	9/2
nuclear quadrupole moment	0,443 ± 0,003
datum otkrića	1940
parity	+

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

⁸⁶Kr

Maseni broj	86
broj neutrona	50
Relative Atomic Mass	85,91061062468 ± 0,00000000399 Da
g-factor	0
natural abundance	17,279 ± 0,041
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
datum otkrića	1920
parity	+

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

⁸⁷Kr

Maseni broj	87
broj neutrona	51
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
spin	5/2
nuclear quadrupole moment	-0,3 ± 0,003
datum otkrića	1940
parity	+

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

⁸⁸Kr

Maseni broj	88
broj neutrona	52
Relative Atomic Mass	87,914447879 ± 0,0000028 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,825 ± 0,019 h
spin	0
nuclear quadrupole moment	0
datum otkrića	1939
parity	+

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

⁸⁹Kr

Maseni broj	89
broj neutrona	53
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
spin	3/2
nuclear quadrupole moment	0,166 ± 0,002
datum otkrića	1940
parity	+

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

⁹⁰Kr

Maseni broj	90
broj neutrona	54
Relative Atomic Mass	89,919527929 ± 0,000002 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	32,32 ± 0,09 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1951
parity	+

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

⁹¹Kr

Maseni broj	91
broj neutrona	55
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
spin	5/2
nuclear quadrupole moment	0,303 ± 0,006
datum otkrića	1951
parity	+

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

⁹²Kr

Maseni broj	92
broj neutrona	56
Relative Atomic Mass	91,926173092 ± 0,0000029 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,84 ± 0,008 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.0332%

⁹³Kr

Maseni broj	93
broj neutrona	57
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
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.95%

⁹⁴Kr

Maseni broj	94
broj neutrona	58
Relative Atomic Mass	93,934140452 ± 0,000013 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	212 ± 4 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1972
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.11%

⁹⁵Kr

Maseni broj	95
broj neutrona	59
Relative Atomic Mass	94,939710922 ± 0,00002 Da
g-factor	-0,82 ± 0,006
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	114 ± 3 ms
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1994
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.87%
2n (2-neutron emission)

⁹⁶Kr

Maseni broj	96
broj neutrona	60
Relative Atomic Mass	95,943014473 ± 0,000020695 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	80 ± 8 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1994
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3.7%

⁹⁷Kr

Maseni broj	97
broj neutrona	61
Relative Atomic Mass	96,949088782 ± 0,00014 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	62,2 ± 3,2 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	1997
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.7%
2n (2-neutron emission)

⁹⁸Kr

Maseni broj	98
broj neutrona	62
Relative Atomic Mass	97,952635 ± 0,000322 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	42,8 ± 3,6 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1997
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7%
2n (2-neutron emission)

⁹⁹Kr

Maseni broj	99
broj neutrona	63
Relative Atomic Mass	98,958776 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	40 ± 11 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1997
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	11%
2n (2-neutron emission)

¹⁰⁰Kr

Maseni broj	100
broj neutrona	64
Relative Atomic Mass	99,962995 ± 0,000429 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12 ± 8 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1997
parity	+

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

¹⁰¹Kr

Maseni broj	101
broj neutrona	65
Relative Atomic Mass	100,969318 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića	2010
parity	+

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

historija

otkrivač ili izumitelj	Sir William Ramsey, M.W. Travers
mjesto otkrića	Great Britain
datum otkrića	1898
Etimologija	Greek: kryptos (hidden).
pronunciation	KRIP-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

1	s	0.7684
2	p	3.953
2	s	9.602
3	d	15.3741
3	p	15.5658
3	s	14.9673
4	p	26.2308
4	s	24.6844

Kripton on ChemicalAid

Kripton (Kr)

Physical Property

Chemical Property

other

Isotopes of Krypton

67Kr

68Kr

69Kr

70Kr

71Kr

72Kr

73Kr

74Kr

75Kr

76Kr

77Kr

78Kr

79Kr

80Kr

81Kr

82Kr

83Kr

84Kr

85Kr

86Kr

87Kr

88Kr

89Kr

90Kr

91Kr

92Kr

93Kr

94Kr

95Kr

96Kr

97Kr

98Kr

99Kr

100Kr

101Kr

historija

izvor

Nuclear Screening Constants

⁶⁷Kr

⁶⁸Kr

⁶⁹Kr

⁷⁰Kr

⁷¹Kr

⁷²Kr

⁷³Kr

⁷⁴Kr

⁷⁵Kr

⁷⁶Kr

⁷⁷Kr

⁷⁸Kr

⁷⁹Kr

⁸⁰Kr

⁸¹Kr

⁸²Kr

⁸³Kr

⁸⁴Kr

⁸⁵Kr

⁸⁶Kr

⁸⁷Kr

⁸⁸Kr

⁸⁹Kr

⁹⁰Kr

⁹¹Kr

⁹²Kr

⁹³Kr

⁹⁴Kr

⁹⁵Kr

⁹⁶Kr

⁹⁷Kr

⁹⁸Kr

⁹⁹Kr

¹⁰⁰Kr

¹⁰¹Kr