Chlor, Klor (Cl)

grundstof med atomnummer 17

Atomnummer	17
Atommasse	35.45
mass number	35

Gruppe	17
Periode	3
Blok	p

proton	17 p⁺
neutron	18 n⁰
elektron	17 e^-

Animated Bohrs atommodel of Cl (Chlor, Klor)

Fysisk Egenskab

Atomradius	100 pm 206 pm
molar volume	18,7 cm³/mol
Kovalent Radius	99 pm 95 pm 93 pm 105 pm 102 pm
Metallic Radius	91 pm
Ionisk radius	181 pm 12 pm 8 pm 27 pm
Crystal Radius	167 pm 26 pm 22 pm 41 pm
Van der Waals-radius	180 pm 175 pm 395,03 pm 175 pm 207 pm 176 pm 394,7 pm
massefylde	0,002898 g/cm³

Kemisk Egenskab

energi

proton affinity	513,6 kJ/mol
electron affinity	3,612725 eV/particle
ioniseringsenergi	12,96763 eV/particle 23,81364 eV/particle 39,8 eV/particle 53,24 eV/particle 67,68 eV/particle 96,94 eV/particle 114,2013 eV/particle 348,306 eV/particle 400,851 eV/particle 456,68 eV/particle 529,97 eV/particle 591,58 eV/particle 656,3 eV/particle 750,2 eV/particle 809,198 eV/particle 3.658,34362 eV/particle 3.946,2908 eV/particle

Fordampningsvarme	20,41 kJ/mol
smeltevarme	6,41 kJ/mol
standard enthalpy of formation	121,302 kJ/mol
elektron

Elektronskal	2, 8, 7

Valenselektron	7 ⓘ

electron configuration	[Ne] 3s² 3p⁵ⓘ 1s² 2s² 2p⁶ 3s² 3p⁵

Oxidationstrin	-1, 1, 2, 3, 4, 5, 6, 7
Elektronegativitet	16,97 eV/particle 0.263803 3.16
Electrophilicity Index	3,673315922583194 eV/particle
fundamental state of matter

stoffase	Gas
gaseous state of matter	Diatomic
Kogepunkt	239,11 K
Smeltepunkt	171,65 K
critical pressure	7,991 MPa
critical temperature	417,05 K
trippelpunkt
appearance
farve	Gul #00ff00 #1ff01f #38b538
appearance	pale yellow-green gas
Brydningsindeks	1,000773
materialeegenskab
Varmeledningsevne	0,009 W/(m K)
Termisk ekspansion
molar heat capacity	33,949 J/(mol K)
Varmefylde	0,479 J/(g⋅K)
Adiabateksponenten	7/5
electrical properties
type	Insulator
specifik ledningsevne	0,00000001 MS/m
Elektrisk resistivitet	100 Ω*m
superledning
Magnetisme
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000072 m³/Kg
magnetic susceptibility (Molar)	-0,000000000511 m³/mol
magnetic susceptibility (Volume)	-0,0000000231
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	Endecentreret Orthohombisk (ORC)
lattice constant	6,24 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hårdhed
Kompressibilitetsmodul	1,1 GPa
Forskydningsmodul
E-modul
Poissons forhold
speed of sound	206 m/s
klassificering
Kategori	Halogener, Halogens
CAS Group	VIIB
IUPAC Group	VIIA
Glawe Number	101
Mendeleev Number	107
Pettifor Number	99
Geochemical Class	semi-volatile
Goldschmidt classification	litophile

øvrige

Gas Basicity	490,1 kJ/mol
polarizability	14,6 ± 0,1 a₀
C6 Dispersion Coefficient	94,6 a₀ 97,1 a₀
allotrope	Dichlorine
Neutron cross section	35,3
Neutron Mass Absorption	0,033
quantum number	2P3/2
rumgruppe	64 (Cmca)

Isotopes of Chlorine

Stable Isotopes	2
Unstable Isotopes	23
Natural Isotopes	2

²⁸Cl

mass number	28
neutron number	11
Relative Atomic Mass	28,030349 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	1
nuclear quadrupole moment
opdagelsesdato	2018
Paritet	+

decay mode	Intensitet
p (proton emission)	100%

²⁹Cl

mass number	29
neutron number	12
Relative Atomic Mass	29,015053 ± 0,000203 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	5,4 ± 1,9 zs
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1993
Paritet	+

decay mode	Intensitet
p (proton emission)	100%

³⁰Cl

mass number	30
neutron number	13
Relative Atomic Mass	30,005018333 ± 0,000025631 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	3
nuclear quadrupole moment
opdagelsesdato	2018
Paritet	+

decay mode	Intensitet
p (proton emission)	100%

³¹Cl

mass number	31
neutron number	14
Relative Atomic Mass	30,992448097 ± 0,0000037 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	190 ± 1 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1977
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	2.4%

³²Cl

mass number	32
neutron number	15
Relative Atomic Mass	31,985684605 ± 0,000000603 Da
g-factor	1,115 ± 0,006
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	298 ± 1 ms
spin	1
nuclear quadrupole moment
opdagelsesdato	1953
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	0.054%
β⁺ p (β⁺-delayed proton emission)	0.026%

³³Cl

mass number	33
neutron number	16
Relative Atomic Mass	32,977451988 ± 0,000000419 Da
g-factor	0,50313333333333 ± 0,0002
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,5038 ± 0,0022 s
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1940
Paritet	+

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

³⁴Cl

mass number	34
neutron number	17
Relative Atomic Mass	33,97376249 ± 0,000000052 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,5267 ± 0,0004 s
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1934
Paritet	+

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

³⁵Cl

mass number	35
neutron number	18
Relative Atomic Mass	34,968852694 ± 0,000000038 Da
g-factor	0,5478 ± 0,000013333333333333
natural abundance	75,8 ± 0,2
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0,0817 ± 0,0008
opdagelsesdato	1919
Paritet	+

³⁶Cl

mass number	36
neutron number	19
Relative Atomic Mass	35,968306822 ± 0,000000038 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	301,3 ± 1,5 ky
spin	2
nuclear quadrupole moment	-0,178 ± 0,004
opdagelsesdato	1941
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	98.1%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	1.9%

³⁷Cl

mass number	37
neutron number	20
Relative Atomic Mass	36,965902573 ± 0,000000055 Da
g-factor	0,456 ± 0,0000066666666666667
natural abundance	24,2 ± 0,2
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0,0644 ± 0,0006
opdagelsesdato	1919
Paritet	+

³⁸Cl

mass number	38
neutron number	21
Relative Atomic Mass	37,968010408 ± 0,000000105 Da
g-factor	1,025 ± 0,01
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	37,23 ± 0,014 m
spin	2
nuclear quadrupole moment
opdagelsesdato	1940
Paritet	-

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

³⁹Cl

mass number	39
neutron number	22
Relative Atomic Mass	38,968008151 ± 0,000001859 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	56,2 ± 0,6 m
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1949
Paritet	+

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

⁴⁰Cl

mass number	40
neutron number	23
Relative Atomic Mass	39,970415466 ± 0,000034423 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,35 ± 0,03 m
spin	2
nuclear quadrupole moment
opdagelsesdato	1956
Paritet	-

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

⁴¹Cl

mass number	41
neutron number	24
Relative Atomic Mass	40,970684525 ± 0,000073777 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	38,4 ± 0,8 s
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1971
Paritet	+

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

⁴²Cl

mass number	42
neutron number	25
Relative Atomic Mass	41,973342 ± 0,000064 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	6,8 ± 0,3 s
spin	2
nuclear quadrupole moment
opdagelsesdato	1971
Paritet	-

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

⁴³Cl

mass number	43
neutron number	26
Relative Atomic Mass	42,9740637 ± 0,000066407 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,13 ± 0,09 s
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1976
Paritet	+

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

⁴⁴Cl

mass number	44
neutron number	27
Relative Atomic Mass	43,978014918 ± 0,000091859 Da
g-factor	0,2749 ± 0,0002
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	562 ± 106 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	1979
Paritet	-

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

⁴⁵Cl

mass number	45
neutron number	28
Relative Atomic Mass	44,980394353 ± 0,000146177 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	413 ± 25 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1979
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	24%

⁴⁶Cl

mass number	46
neutron number	29
Relative Atomic Mass	45,985254926 ± 0,0001044 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	232 ± 2 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	1989
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	60%
2n (2-neutron emission)

⁴⁷Cl

mass number	47
neutron number	30
Relative Atomic Mass	46,989715 ± 0,000215 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	101 ± 5 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1989
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3%
2n (2-neutron emission)

⁴⁸Cl

mass number	48
neutron number	31
Relative Atomic Mass	47,995405 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato	1989
Paritet

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

⁴⁹Cl

mass number	49
neutron number	32
Relative Atomic Mass	49,000794 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1989
Paritet	+

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

⁵⁰Cl

mass number	50
neutron number	33
Relative Atomic Mass	50,008266 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato	2009
Paritet

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

⁵¹Cl

mass number	51
neutron number	34
Relative Atomic Mass	51,015341 ± 0,000751 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1990
Paritet	+

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

⁵²Cl

mass number	52
neutron number	35
Relative Atomic Mass	52,024004 ± 0,000751 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato	2018
Paritet

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

historie

opdager eller opfinder	Carl Wilhelm Scheele
fundsted	Sweden
opdagelsesdato	1774
etymologi	Greek: chlôros (greenish yellow).
udtale	KLOR-een (engelsk)

source

Forekomst
Abundance in Earth's crust	145 mg/kg
natural abundance (verdenshave)	19.400 mg/L
natural abundance (menneskelige krop)	0,12 %
natural abundance (Meteoroid)	0,037 %
natural abundance (Solen)	0,0008 %
Abundance in Universe	0,0001 %

Nuclear Screening Constants

1	s	0.4761
2	p	4.0068
2	s	5.5696
3	p	10.8839
3	s	9.9317

Chlor, Klor on ChemicalAid

AUT NKC	ph163876
Art & Architecture Thesaurus ID	300264246
Australian Educational Vocabulary ID	scot/3509
BNCF	792
BNF	119811094
Brockhaus Enzyklopädie online ID	chlor-20
CAS-nummer	7782-50-5
ChEBI-ID	23116
Den Store Danske-ID	klor
Drugbank-ID	11109
EPPO Code	TXCHLO
Enciclopedia Treccani	cloro
Encyclopædia Britannica Online-ID	science/chlorine
Encyclopædia Universalis-ID	chlore
EuroVoc ID	5971
Freebase-ID	/m/025tkqp
French Vikidia ID	Chlore
GND-identifikator	4147748-0
Golden ID	Chlorine-NRE4
KBpedia ID	Chlorine
Krugosvet article	nauka_i_tehnika/himiya/HLOR.html
LCAuth	sh85024541
Latvian National Encyclopedia Online ID	131436
MeSH ID	D002713
NDL-nummer	00562008
NE.se ID	klor
Namuwiki ID	염소(원소)
National Library of Israel J9U ID	987007285618505171
OmegaWiki-betydningsdefinition	575
OpenAlex ID	C505241676
OpenAlex ID	C2991844076
OpenAlex ID	C2993530813
PSH-ID	5812
Quora emne-ID	Chlorine
Römpp online ID	RD-03-01354
STW Thesaurus for Economics ID	18080-0
Spanish Vikidia ID	Cloro
Store medisinske leksikon ID	klor
Store norske leksikon-ID	klor
Store russiske encyklopædi Online-ID	4694434
UK Parliament thesaurus ID	9150
USGS Thesaurus ID	1428
WordNet 3.1 Synset ID	14658769-n
YSO ID	12904

Chlor, Klor (Cl)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Chlorine

28Cl

29Cl

30Cl

31Cl

32Cl

33Cl

34Cl

35Cl

36Cl

37Cl

38Cl

39Cl

40Cl

41Cl

42Cl

43Cl

44Cl

45Cl

46Cl

47Cl

48Cl

49Cl

50Cl

51Cl

52Cl

historie

source

Nuclear Screening Constants

²⁸Cl

²⁹Cl

³⁰Cl

³¹Cl

³²Cl

³³Cl

³⁴Cl

³⁵Cl

³⁶Cl

³⁷Cl

³⁸Cl

³⁹Cl

⁴⁰Cl

⁴¹Cl

⁴²Cl

⁴³Cl

⁴⁴Cl

⁴⁵Cl

⁴⁶Cl

⁴⁷Cl

⁴⁸Cl

⁴⁹Cl

⁵⁰Cl

⁵¹Cl

⁵²Cl