Clóirín (Cl)

chemical element with symbol Cl and atomic number 17

Atomic Number	17
Atomic Weight	35.45
Núicléónuimhir	35

Group	17
Period	3
Block	p

prótón	17 p⁺
neodrón	18 n⁰
leictreon	17 e^-

Physical Property

Ga Adamhach	100 pm 206 pm
molar volume	18.7 cm³/mol
covalent radius	99 pm 95 pm 93 pm 105 pm 102 pm
Metallic Radius	91 pm
ionic 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
dlús	0.002898 g/cm³

Chemical Property

fuinneamh

proton affinity	513.6 kJ/mol
electron affinity	3.612725 eV/particle
ionization energy	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

enthalpy of vaporization	20.41 kJ/mol
enthalpy of fusion	6.41 kJ/mol
eantalpacht chaighdeánach an fhoirmithe	121.302 kJ/mol
leictreon

electron shell	2, 8, 7

Fiúsleictreon	7 ⓘ

cumraíocht leictreon	[Ne] 3s² 3p⁵ⓘ 1s² 2s² 2p⁶ 3s² 3p⁵

Staid ocsaídiúcháine	-1, 1, 2, 3, 4, 5, 6, 7
Leictridhiúltacht	16.97 eV/particle 0.263803 3.16
Electrophilicity Index	3.673315922583194 eV/particle
fundamental state of matter

phase of matter	Gas
gaseous state of matter	Diatomic
Boiling Point	239.11 K
Melting Point	171.65 K
critical pressure	7.991 MPa
critical temperature	417.05 K
triple point
appearance
dath	Yellow #00ff00 #1ff01f #38b538
appearance	pale yellow-green gas
Comhéifeacht athraonta	1.000773
thermodynamic material property
Thermal Conductivity	0.009 W/(m K)
Forbairt theirmeach
molar heat capacity	33.949 J/(mol K)
Specific Heat Capacity	0.479 J/(g⋅K)
Cóimheas saintoilleadh teasa	7/5
electrical properties
type	Insulator
electrical conductivity	0.00000001 MS/m
Friotachas	100 Ω*m
Forsheoltacht
Maighnéadas
type	diamagnetic
So-ghabhálacht mhaighnéadach (Mass)	-0.0000000072 m³/Kg
So-ghabhálacht mhaighnéadach (Molar)	-0.000000000511 m³/mol
So-ghabhálacht mhaighnéadach (Volume)	-0.0000000231
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	Base Centered Orthorhombic (ORC)
lattice constant	6.24 Å
Lattice Angles	π/2, π/2, π/2
airíonna meicniúla
Cruas
Modal toirte	1.1 GPa
modal fiartha
modal Young
Cóimheas Poisson
luas forleata fuaime	206 m/s
aicmiúchán
Category	Halogens, Halogens
CAS Group	VIIB
IUPAC Group	VIIA
Glawe Number	101
Mendeleev Number	107
Pettifor Number	99
Geochemical Class	semi-volatile
Goldschmidt classification	litophile

eile

Gas Basicity	490.1 kJ/mol
polarizability	14.6 ± 0.1 a₀
C6 Dispersion Coefficient	94.6 a₀ 97.1 a₀
allotrope	Dichlorine
Crosghearradh	35.3
Neutron Mass Absorption	0.033
Uimhir chandamach	2P3/2
space group	64 (Cmca)

Isotopes of Chlorine

Stable Isotopes	2
Unstable Isotopes	23
Natural Isotopes	2

²⁸Cl

Núicléónuimhir	28
neutron number	11
Mais Adamhach Choibhneasta	28.030349 ± 0.000537 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	1
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2018
Paireacht	+

decay mode	intensity
p (proton emission)	100%

²⁹Cl

Núicléónuimhir	29
neutron number	12
Mais Adamhach Choibhneasta	29.015053 ± 0.000203 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	5.4 ± 1.9 zs
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1993
Paireacht	+

decay mode	intensity
p (proton emission)	100%

³⁰Cl

Núicléónuimhir	30
neutron number	13
Mais Adamhach Choibhneasta	30.005018333 ± 0.000025631 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	3
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2018
Paireacht	+

decay mode	intensity
p (proton emission)	100%

³¹Cl

Núicléónuimhir	31
neutron number	14
Mais Adamhach Choibhneasta	30.992448097 ± 0.0000037 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	190 ± 1 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1977
Paireacht	+

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

³²Cl

Núicléónuimhir	32
neutron number	15
Mais Adamhach Choibhneasta	31.985684605 ± 0.000000603 Da
G-fhachtóir	1.115 ± 0.006
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	298 ± 1 ms
Guairne	1
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1953
Paireacht	+

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

³³Cl

Núicléónuimhir	33
neutron number	16
Mais Adamhach Choibhneasta	32.977451988 ± 0.000000419 Da
G-fhachtóir	0.50313333333333 ± 0.0002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.5038 ± 0.0022 s
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1940
Paireacht	+

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

³⁴Cl

Núicléónuimhir	34
neutron number	17
Mais Adamhach Choibhneasta	33.97376249 ± 0.000000052 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.5267 ± 0.0004 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1934
Paireacht	+

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

³⁵Cl

Núicléónuimhir	35
neutron number	18
Mais Adamhach Choibhneasta	34.968852694 ± 0.000000038 Da
G-fhachtóir	0.5478 ± 0.000013333333333333
natural abundance	75.8 ± 0.2
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	3/2
nuclear quadrupole moment	-0.0817 ± 0.0008
dáta fionnachtana nó tionscnaimh	1919
Paireacht	+

³⁶Cl

Núicléónuimhir	36
neutron number	19
Mais Adamhach Choibhneasta	35.968306822 ± 0.000000038 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	301.3 ± 1.5 ky
Guairne	2
nuclear quadrupole moment	-0.178 ± 0.004
dáta fionnachtana nó tionscnaimh	1941
Paireacht	+

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

³⁷Cl

Núicléónuimhir	37
neutron number	20
Mais Adamhach Choibhneasta	36.965902573 ± 0.000000055 Da
G-fhachtóir	0.456 ± 0.0000066666666666667
natural abundance	24.2 ± 0.2
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	3/2
nuclear quadrupole moment	-0.0644 ± 0.0006
dáta fionnachtana nó tionscnaimh	1919
Paireacht	+

³⁸Cl

Núicléónuimhir	38
neutron number	21
Mais Adamhach Choibhneasta	37.968010408 ± 0.000000105 Da
G-fhachtóir	1.025 ± 0.01
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	37.23 ± 0.014 m
Guairne	2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1940
Paireacht	-

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

³⁹Cl

Núicléónuimhir	39
neutron number	22
Mais Adamhach Choibhneasta	38.968008151 ± 0.000001859 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	56.2 ± 0.6 m
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1949
Paireacht	+

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

⁴⁰Cl

Núicléónuimhir	40
neutron number	23
Mais Adamhach Choibhneasta	39.970415466 ± 0.000034423 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.35 ± 0.03 m
Guairne	2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1956
Paireacht	-

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

⁴¹Cl

Núicléónuimhir	41
neutron number	24
Mais Adamhach Choibhneasta	40.970684525 ± 0.000073777 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	38.4 ± 0.8 s
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1971
Paireacht	+

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

⁴²Cl

Núicléónuimhir	42
neutron number	25
Mais Adamhach Choibhneasta	41.973342 ± 0.000064 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	6.8 ± 0.3 s
Guairne	2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1971
Paireacht	-

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

⁴³Cl

Núicléónuimhir	43
neutron number	26
Mais Adamhach Choibhneasta	42.9740637 ± 0.000066407 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	3.13 ± 0.09 s
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1976
Paireacht	+

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

⁴⁴Cl

Núicléónuimhir	44
neutron number	27
Mais Adamhach Choibhneasta	43.978014918 ± 0.000091859 Da
G-fhachtóir	0.2749 ± 0.0002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	562 ± 106 ms
Guairne	2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1979
Paireacht	-

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

⁴⁵Cl

Núicléónuimhir	45
neutron number	28
Mais Adamhach Choibhneasta	44.980394353 ± 0.000146177 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	413 ± 25 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1979
Paireacht	+

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

⁴⁶Cl

Núicléónuimhir	46
neutron number	29
Mais Adamhach Choibhneasta	45.985254926 ± 0.0001044 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	232 ± 2 ms
Guairne	2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1989
Paireacht	-

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

⁴⁷Cl

Núicléónuimhir	47
neutron number	30
Mais Adamhach Choibhneasta	46.989715 ± 0.000215 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	101 ± 5 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1989
Paireacht	+

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

⁴⁸Cl

Núicléónuimhir	48
neutron number	31
Mais Adamhach Choibhneasta	47.995405 ± 0.000537 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1989
Paireacht

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

⁴⁹Cl

Núicléónuimhir	49
neutron number	32
Mais Adamhach Choibhneasta	49.000794 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1989
Paireacht	+

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

⁵⁰Cl

Núicléónuimhir	50
neutron number	33
Mais Adamhach Choibhneasta	50.008266 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2009
Paireacht

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

⁵¹Cl

Núicléónuimhir	51
neutron number	34
Mais Adamhach Choibhneasta	51.015341 ± 0.000751 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1990
Paireacht	+

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

⁵²Cl

Núicléónuimhir	52
neutron number	35
Mais Adamhach Choibhneasta	52.024004 ± 0.000751 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2018
Paireacht

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

stair

fionnachtaí nó aireagóir	Carl Wilhelm Scheele
áit ar tháinig air/uirthi	Sweden
dáta fionnachtana nó tionscnaimh	1774
Sanasaíocht	Greek: chlôros (greenish yellow).
pronunciation	KLOR-een (Béarla)

foinse

Abundance
Abundance in Earth's crust	145 mg/kg
natural abundance (aigéan)	19,400 mg/L
natural abundance (corp an duine)	0.12 %
natural abundance (dreigeoideach)	0.037 %
natural abundance (An Ghrian)	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

Clóirín on ChemicalAid

Art & Architecture Thesaurus ID	300264246
Australian Educational Vocabulary ID	scot/3509
BNCF Thesaurus ID	792
Bibliothèque nationale de France ID	119811094
Brockhaus Enzyklopädie online ID	chlor-20
ChEBI ID	23116
Den Store Danske ID	klor
DrugBank ID	11109
EPPO Code	TXCHLO
Encyclopædia Britannica Online ID	science/chlorine
Encyclopædia Universalis ID	chlore
EuroVoc ID	5971
Freebase ID	/m/025tkqp
French Vikidia ID	Chlore
Golden ID	Chlorine-NRE4
Great Russian Encyclopedia Online ID	4694434
ID GND	4147748-0
ID na topaice ar Quora	Chlorine
KBpedia ID	Chlorine
Krugosvet article	nauka_i_tehnika/himiya/HLOR.html
Latvian National Encyclopedia Online ID	131436
MeSH descriptor ID	D002713
NDL Authority ID	00562008
NE.se ID	klor
NKCR AUT ID	ph163876
Namuwiki ID	염소(원소)
National Library of Israel J9U ID	987007285618505171
OmegaWiki Defined Meaning	575
OpenAlex ID	C505241676
OpenAlex ID	C2991844076
OpenAlex ID	C2993530813
PSH ID	5812
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
Treccani ID	cloro
UK Parliament thesaurus ID	9150
USGS Thesaurus ID	1428
WordNet 3.1 Synset ID	14658769-n
YSO ID	12904
aitheantóir LoC	sh85024541
uimhir CAS	7782-50-5

Clóirín (Cl)

Physical Property

Chemical Property

eile

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

stair

foinse

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