Хлор

Хлор (Cl)

chemical element with symbol Cl and atomic number 17
Atomic Number17
Atomic Weight35.45
Адади массавӣ35
Group17
Period3
Blockp
proton17 p+
neutron18 n0
electron17 e-
Animated Bohr model of Cl (Хлор)

Хусусияти Физикӣ

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
зичӣ
0,002898 g/cm³
Atomic Radii Of The Elements: Хлор0102030405060708090100110120130140150160170180pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
513,6 kJ/mol
electron affinity
3,612725 eV/particle
ionization energy
12,96763 eV/particle
ionization energy of Cl (Хлор)
enthalpy of vaporization
20,41 kJ/mol
гармои гудозиш
6,41 kJ/mol
standard enthalpy of formation
121,302 kJ/mol
electron
Абри электронӣ2, 8, 7
Bohr model: Cl (Хлор)
valence electron7
Lewis structure: Cl (Хлор)
electron configuration[Ne] 3s2 3p5
1s2 2s2 2p6 3s2 3p5
Enhanced Bohr model of Cl (Хлор)
Orbital Diagram of Cl (Хлор)
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
Ранг
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
heat capacity ratio7/5
electrical properties
навъInsulator
electrical conductivity
0,00000001 MS/m
electrical resistivity
100 m Ω
superconductivity
magnetism
навъdiamagnetic
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
сохт
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
ададҳои квантӣ2P3/2
space group64 (Cmca)

Isotopes of Chlorine

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

28Cl

Адади массавӣ28
neutron number11
relative atomic mass
28,030349 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
таърихи кашф2018
parity+

decay modeintensity
p (proton emission)100%

29Cl

Адади массавӣ29
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
таърихи кашф1993
parity+

decay modeintensity
p (proton emission)100%

30Cl

Адади массавӣ30
neutron number13
relative atomic mass
30,005018333 ± 0,000025631 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3
nuclear quadrupole moment
таърихи кашф2018
parity+

decay modeintensity
p (proton emission)100%

31Cl

Адади массавӣ31
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
таърихи кашф1977
parity+

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

32Cl

Адади массавӣ32
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
таърихи кашф1953
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

Адади массавӣ33
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
таърихи кашф1940
parity+

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

34Cl

Адади массавӣ34
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
таърихи кашф1934
parity+

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

35Cl

Адади массавӣ35
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
таърихи кашф1919
parity+

36Cl

Адади массавӣ36
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
таърихи кашф1941
parity+

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

37Cl

Адади массавӣ37
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
таърихи кашф1919
parity+

38Cl

Адади массавӣ38
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
таърихи кашф1940
parity-

decay modeintensity
β (β decay)100%

39Cl

Адади массавӣ39
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
таърихи кашф1949
parity+

decay modeintensity
β (β decay)100%

40Cl

Адади массавӣ40
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
таърихи кашф1956
parity-

decay modeintensity
β (β decay)100%

41Cl

Адади массавӣ41
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
таърихи кашф1971
parity+

decay modeintensity
β (β decay)100%

42Cl

Адади массавӣ42
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
таърихи кашф1971
parity-

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

43Cl

Адади массавӣ43
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
таърихи кашф1976
parity+

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

44Cl

Адади массавӣ44
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
таърихи кашф1979
parity-

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

45Cl

Адади массавӣ45
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
таърихи кашф1979
parity+

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

46Cl

Адади массавӣ46
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
таърихи кашф1989
parity-

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

47Cl

Адади массавӣ47
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
таърихи кашф1989
parity+

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

48Cl

Адади массавӣ48
neutron number31
relative atomic mass
47,995405 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф1989
parity

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

49Cl

Адади массавӣ49
neutron number32
relative atomic mass
49,000794 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф1989
parity+

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

50Cl

Адади массавӣ50
neutron number33
relative atomic mass
50,008266 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф2009
parity

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

51Cl

Адади массавӣ51
neutron number34
relative atomic mass
51,015341 ± 0,000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф1990
parity+

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

52Cl

Адади массавӣ52
neutron number35
relative atomic mass
52,024004 ± 0,000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф2018
parity

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

таърих

кошифCarl Wilhelm Scheele
макони кашфSweden
таърихи кашф1774
РешашиносӣGreek: chlôros (greenish yellow).
pronunciationKLOR-een (Англисӣ)

source

Abundance
Abundance in Earth's crust
145 mg/kg
natural abundance (Уқёнус)
19 400 mg/L
natural abundance (human body)
0,12 %
natural abundance (meteoroid)
0,037 %
natural abundance (Офтоб)
0,0008 %
Abundance in Universe
0,0001 %

Nuclear Screening Constants

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