Clor

Clor (Cl)

chemical element with symbol Cl and atomic number 17
Atomic Number17
Atomic Weight35.45
Rhif màs35
Group17
Period3
Blockp
Proton17 p+
Niwtron18 n0
Electron17 e-
Animated Bohr model of Cl (Clor)

Nodwedd Ffisegol

Atomic Radius
100 pm
molar volume
covalent radius
99 pm
Metallic Radius
ionic radius
181 pm
Crystal Radius
167 pm
Van der Waals radius
175 pm
density
0.002898 g/cm³
Atomic Radii Of The Elements: Clor0102030405060708090100110120130140150160170180pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
513.6 kJ/mol
electron affinity
3.612725 eV/particle
ionization energy
12.96763 eV/particle
ionization energy of Cl (Clor)
enthalpy of vaporization
20.41 kJ/mol
enthalpy of fusion
6.41 kJ/mol
standard enthalpy of formation
121.302 kJ/mol
Electron
plisgyn yr electron2, 8, 7
Bohr model: Cl (Clor)
valence electron7
Lewis structure: Cl (Clor)
trefn yr electronnau[Ne] 3s2 3p5
1s2 2s2 2p6 3s2 3p5
Enhanced Bohr model of Cl (Clor)
Orbital Diagram of Cl (Clor)
Cyflwr ocsidiad-1, 1, 2, 3, 4, 5, 6, 7
Electronegatifedd
3.16
Electrophilicity Index
3.673315922583194 eV/particle
cyflwr sylfaenol mater
cyflwr materGas
gaseous state of matterDiatomic
Boiling Point
239.11 K
Melting Point
171.65 K
critical pressure
7.991 MPa
critical temperature
417.05 K
triple point
appearance
lliw
Yellow
appearancepale yellow-green gas
Mynegrif plygiant
1.000773
nodwedd ffisegol gwrthrych
Thermal Conductivity
0.009 W/(m K)
thermal expansion
molar heat capacity
33.949 J/(mol K)
Specific Heat Capacity
0.479 J/(g⋅K)
heat capacity ratio7/5
electrical properties
typeInsulator
dargludedd trydanol
0.00000001 MS/m
Gwrthedd
100 m Ω
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000072 m³/Kg
magnetic susceptibility (Molar)
-0.000000000511 m³/mol
magnetic susceptibility (Volume)
-0.0000000231
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
6.24 Å
Lattice Anglesπ/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
1.1 GPa
shear modulus
Young's modulus
Poisson's ratio
speed of sound
206 m/s
classification
CategoryHalogens, Halogens
CAS GroupVIIB
IUPAC GroupVIIA
Glawe Number101
Mendeleev Number107
Pettifor Number99
Geochemical Classsemi-volatile
Goldschmidt classificationlitophile

other

Gas Basicity
490.1 kJ/mol
polarizability
14.6 ± 0.1 a₀
C6 Dispersion Coefficient
94.6 a₀
allotropeDichlorine
Neutron cross section
35.3
Neutron Mass Absorption
0.033
quantum number2P3/2
space group64 (Cmca)

Isotopes of Chlorine

Stable Isotopes2
Unstable Isotopes23
Natural Isotopes2
Isotopic Composition3575.80%3575.80%3724.20%3724.20%

28Cl

Rhif màs28
neutron number11
relative atomic mass
28.030349 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1
nuclear quadrupole moment
dyddiad darganfod2018
parity+

decay modeintensity
p (proton emission)100%

29Cl

Rhif màs29
neutron number12
relative atomic mass
29.015053 ± 0.000203 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.4 ± 1.9 zs
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1993
parity+

decay modeintensity
p (proton emission)100%

30Cl

Rhif màs30
neutron number13
relative atomic mass
30.005018333 ± 0.000025631 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin3
nuclear quadrupole moment
dyddiad darganfod2018
parity+

decay modeintensity
p (proton emission)100%

31Cl

Rhif màs31
neutron number14
relative atomic mass
30.992448097 ± 0.0000037 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
190 ± 1 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1977
parity+

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

32Cl

Rhif màs32
neutron number15
relative atomic mass
31.985684605 ± 0.000000603 Da
g-factor
1.115 ± 0.006
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
298 ± 1 ms
spin1
nuclear quadrupole moment
dyddiad darganfod1953
parity+

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

33Cl

Rhif màs33
neutron number16
relative atomic mass
32.977451988 ± 0.000000419 Da
g-factor
0.50313333333333 ± 0.0002
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.5038 ± 0.0022 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1940
parity+

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

34Cl

Rhif màs34
neutron number17
relative atomic mass
33.97376249 ± 0.000000052 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.5267 ± 0.0004 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1934
parity+

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

35Cl

Rhif màs35
neutron number18
relative atomic mass
34.968852694 ± 0.000000038 Da
g-factor
0.5478 ± 0.000013333333333333
natural abundance
75.8 ± 0.2
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0.0817 ± 0.0008
dyddiad darganfod1919
parity+

36Cl

Rhif màs36
neutron number19
relative atomic mass
35.968306822 ± 0.000000038 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
301.3 ± 1.5 ky
spin2
nuclear quadrupole moment
-0.178 ± 0.004
dyddiad darganfod1941
parity+

decay modeintensity
β (β decay)98.1%
β+ (β+ decay; β+ = ϵ + e+)1.9%

37Cl

Rhif màs37
neutron number20
relative atomic mass
36.965902573 ± 0.000000055 Da
g-factor
0.456 ± 0.0000066666666666667
natural abundance
24.2 ± 0.2
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0.0644 ± 0.0006
dyddiad darganfod1919
parity+

38Cl

Rhif màs38
neutron number21
relative atomic mass
37.968010408 ± 0.000000105 Da
g-factor
1.025 ± 0.01
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
37.23 ± 0.014 m
spin2
nuclear quadrupole moment
dyddiad darganfod1940
parity-

decay modeintensity
β (β decay)100%

39Cl

Rhif màs39
neutron number22
relative atomic mass
38.968008151 ± 0.000001859 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
56.2 ± 0.6 m
spin3/2
nuclear quadrupole moment
dyddiad darganfod1949
parity+

decay modeintensity
β (β decay)100%

40Cl

Rhif màs40
neutron number23
relative atomic mass
39.970415466 ± 0.000034423 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.35 ± 0.03 m
spin2
nuclear quadrupole moment
dyddiad darganfod1956
parity-

decay modeintensity
β (β decay)100%

41Cl

Rhif màs41
neutron number24
relative atomic mass
40.970684525 ± 0.000073777 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
38.4 ± 0.8 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1971
parity+

decay modeintensity
β (β decay)100%

42Cl

Rhif màs42
neutron number25
relative atomic mass
41.973342 ± 0.000064 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
6.8 ± 0.3 s
spin2
nuclear quadrupole moment
dyddiad darganfod1971
parity-

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

43Cl

Rhif màs43
neutron number26
relative atomic mass
42.9740637 ± 0.000066407 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.13 ± 0.09 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1976
parity+

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

44Cl

Rhif màs44
neutron number27
relative atomic mass
43.978014918 ± 0.000091859 Da
g-factor
0.2749 ± 0.0002
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
562 ± 106 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)8%

45Cl

Rhif màs45
neutron number28
relative atomic mass
44.980394353 ± 0.000146177 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
413 ± 25 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)24%

46Cl

Rhif màs46
neutron number29
relative atomic mass
45.985254926 ± 0.0001044 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
232 ± 2 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1989
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)60%
2n (2-neutron emission)

47Cl

Rhif màs47
neutron number30
relative atomic mass
46.989715 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
101 ± 5 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1989
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3%
2n (2-neutron emission)

48Cl

Rhif màs48
neutron number31
relative atomic mass
47.995405 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod1989
parity

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

49Cl

Rhif màs49
neutron number32
relative atomic mass
49.000794 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin3/2
nuclear quadrupole moment
dyddiad darganfod1989
parity+

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

50Cl

Rhif màs50
neutron number33
relative atomic mass
50.008266 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod2009
parity

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

51Cl

Rhif màs51
neutron number34
relative atomic mass
51.015341 ± 0.000751 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin3/2
nuclear quadrupole moment
dyddiad darganfod1990
parity+

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

52Cl

Rhif màs52
neutron number35
relative atomic mass
52.024004 ± 0.000751 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod2018
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Chlorine liquid in an ampoule

hanes

darganfyddwr neu ddyfeisiwrCarl Wilhelm Scheele
man darganfodSweden
dyddiad darganfod1774
geirdarddiadGreek: chlôros (greenish yellow).
ynganiadKLOR-een (Saesneg)

source

Abundance
Abundance in Earth's crust
145 mg/kg
natural abundance (cefnfor)
19,400 mg/L
natural abundance (corff dynol)
0.12 %
natural abundance (Awyrfaen)
0.037 %
natural abundance (Haul)
0.0008 %
Abundance in Universe
0.0001 %

Nuclear Screening Constants

1s0.4761
2p4.0068
2s5.5696
3p10.8839
3s9.9317