Klorin, ²Kloru

Klorin, ²Kloru (Cl)

chemical element with symbol Cl and atomic number 17
Atomic Number17
Atomic Weight35.45
mass number35
Group17
Period3
Blockp
proton17 p+
neutron18 n0
elettron17 e-
Animated Bohr model of Cl (Klorin, ²Kloru)

Physical Property

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
densità
0.002898 g/cm³
Atomic Radii Of The Elements: Klorin, ²Kloru0102030405060708090100110120130140150160170180pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerġija
proton affinity
513.6 kJ/mol
electron affinity
3.612725 eV/particle
ionization energy
12.96763 eV/particle
ionization energy of Cl (Klorin, ²Kloru)
enthalpy of vaporization
20.41 kJ/mol
enthalpy of fusion
6.41 kJ/mol
standard enthalpy of formation
121.302 kJ/mol
elettron
electron shell2, 8, 7
Bohr model: Cl (Klorin, ²Kloru)
valence electron7
Lewis structure: Cl (Klorin, ²Kloru)
electron configuration[Ne] 3s2 3p5
1s2 2s2 2p6 3s2 3p5
Enhanced Bohr model of Cl (Klorin, ²Kloru)
Orbital Diagram of Cl (Klorin, ²Kloru)
oxidation number-1, 1, 2, 3, 4, 5, 6, 7
electronegativity
3.16
Electrophilicity Index
3.673315922583194 eV/particle
fundamental state of matter
phase of matterGas
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
kulur
Yellow
appearancepale yellow-green gas
refractive index
1.000773
thermodynamic material property
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
electrical conductivity
0.00000001 MS/m
electrical resistivity
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
structure
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
6.24 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
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

mass number28
neutron number11
relative atomic mass
28.030349 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
time of discovery or invention2018
parity+

decay modeintensity
p (proton emission)100%

29Cl

mass number29
neutron number12
relative atomic mass
29.015053 ± 0.000203 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5.4 ± 1.9 zs
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1993
parity+

decay modeintensity
p (proton emission)100%

30Cl

mass number30
neutron number13
relative atomic mass
30.005018333 ± 0.000025631 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3
nuclear quadrupole moment
time of discovery or invention2018
parity+

decay modeintensity
p (proton emission)100%

31Cl

mass number31
neutron number14
relative atomic mass
30.992448097 ± 0.0000037 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
190 ± 1 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1977
parity+

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

32Cl

mass number32
neutron number15
relative atomic mass
31.985684605 ± 0.000000603 Da
g-factor
1.115 ± 0.006
natural abundance
radioactivity☢️ radioactive element
half-life
298 ± 1 ms
spin1
nuclear quadrupole moment
time of discovery or invention1953
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

mass number33
neutron number16
relative atomic mass
32.977451988 ± 0.000000419 Da
g-factor
0.50313333333333 ± 0.0002
natural abundance
radioactivity☢️ radioactive element
half-life
2.5038 ± 0.0022 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1940
parity+

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

34Cl

mass number34
neutron number17
relative atomic mass
33.97376249 ± 0.000000052 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1.5267 ± 0.0004 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

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

35Cl

mass number35
neutron number18
relative atomic mass
34.968852694 ± 0.000000038 Da
g-factor
0.5478 ± 0.000013333333333333
natural abundance
75.8 ± 0.2
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0.0817 ± 0.0008
time of discovery or invention1919
parity+

36Cl

mass number36
neutron number19
relative atomic mass
35.968306822 ± 0.000000038 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
301.3 ± 1.5 ky
spin2
nuclear quadrupole moment
-0.178 ± 0.004
time of discovery or invention1941
parity+

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

37Cl

mass number37
neutron number20
relative atomic mass
36.965902573 ± 0.000000055 Da
g-factor
0.456 ± 0.0000066666666666667
natural abundance
24.2 ± 0.2
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0.0644 ± 0.0006
time of discovery or invention1919
parity+

38Cl

mass number38
neutron number21
relative atomic mass
37.968010408 ± 0.000000105 Da
g-factor
1.025 ± 0.01
natural abundance
radioactivity☢️ radioactive element
half-life
37.23 ± 0.014 m
spin2
nuclear quadrupole moment
time of discovery or invention1940
parity-

decay modeintensity
β (β decay)100%

39Cl

mass number39
neutron number22
relative atomic mass
38.968008151 ± 0.000001859 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
56.2 ± 0.6 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1949
parity+

decay modeintensity
β (β decay)100%

40Cl

mass number40
neutron number23
relative atomic mass
39.970415466 ± 0.000034423 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.35 ± 0.03 m
spin2
nuclear quadrupole moment
time of discovery or invention1956
parity-

decay modeintensity
β (β decay)100%

41Cl

mass number41
neutron number24
relative atomic mass
40.970684525 ± 0.000073777 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
38.4 ± 0.8 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1971
parity+

decay modeintensity
β (β decay)100%

42Cl

mass number42
neutron number25
relative atomic mass
41.973342 ± 0.000064 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6.8 ± 0.3 s
spin2
nuclear quadrupole moment
time of discovery or invention1971
parity-

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

43Cl

mass number43
neutron number26
relative atomic mass
42.9740637 ± 0.000066407 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3.13 ± 0.09 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1976
parity+

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

44Cl

mass number44
neutron number27
relative atomic mass
43.978014918 ± 0.000091859 Da
g-factor
0.2749 ± 0.0002
natural abundance
radioactivity☢️ radioactive element
half-life
562 ± 106 ms
spin2
nuclear quadrupole moment
time of discovery or invention1979
parity-

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

45Cl

mass number45
neutron number28
relative atomic mass
44.980394353 ± 0.000146177 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
413 ± 25 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1979
parity+

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

46Cl

mass number46
neutron number29
relative atomic mass
45.985254926 ± 0.0001044 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
232 ± 2 ms
spin2
nuclear quadrupole moment
time of discovery or invention1989
parity-

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

47Cl

mass number47
neutron number30
relative atomic mass
46.989715 ± 0.000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
101 ± 5 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1989
parity+

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

48Cl

mass number48
neutron number31
relative atomic mass
47.995405 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention1989
parity

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

49Cl

mass number49
neutron number32
relative atomic mass
49.000794 ± 0.000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention1989
parity+

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

50Cl

mass number50
neutron number33
relative atomic mass
50.008266 ± 0.000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention2009
parity

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

51Cl

mass number51
neutron number34
relative atomic mass
51.015341 ± 0.000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention1990
parity+

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

52Cl

mass number52
neutron number35
relative atomic mass
52.024004 ± 0.000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention2018
parity

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

storja

discoverer or inventorCarl Wilhelm Scheele
location of discoverySweden
time of discovery or invention1774
etimoloġijaGreek: chlôros (greenish yellow).
pronunciationKLOR-een (Ingliż)

source

Abundance
Abundance in Earth's crust
145 mg/kg
natural abundance (ocean)
19,400 mg/L
natural abundance (human body)
0.12 %
natural abundance (meteoroid)
0.037 %
natural abundance (Xemx)
0.0008 %
Abundance in Universe
0.0001 %

Nuclear Screening Constants

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