Chloor

Chloor (Cl)

chemical element with symbol Cl and atomic number 17
Atomic Number17
Atomic Weight35.45
Massagetal35
Group17
Period3
Blockp
proton17 p+
neutron18 n0
elektron17 e-
Animated Bohr model of Cl (Chloor)

Physical Property

Atoomradius
100 pm
molar volume
Covalent Radius
99 pm
Metallic Radius
Ioonradius
181 pm
Crystal Radius
167 pm
Van der Waals radius
175 pm
density
0,002898 g/cm³
Atomic Radii Of The Elements: Chloor0153045607590105120135150165180pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
513,6 kJ/mol
electron affinity
3,612725 eV/particle
ionization energy
12,96763 eV/particle
ionization energy of Cl (Chloor)
Verdampingswarmte
20,41 kJ/mol
smeltingswarmte
6,41 kJ/mol
Vormingsentalpie
121,302 kJ/mol
elektron
Elektronskil2, 8, 7
Bohr model: Cl (Chloor)
Valenselektrone7
Lewisteorie: Cl (Chloor)
elektronkonfigurasie[Ne] 3s2 3p5
1s2 2s2 2p6 3s2 3p5
Enhanced Bohr model of Cl (Chloor)
Orbital Diagram of Cl (Chloor)
Oksidasietoestand-1, 1, 2, 3, 4, 5, 6, 7
Elektronegatiwiteit
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
kleur
Yellow
appearancepale yellow-green gas
Brekingsindeks
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
Geleidingsvermoë
0,00000001 MS/m
Elektriese resistiwiteit
100 m Ω
superconductivity
Magnetisme
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
Massamodulus
1,1 GPa
Skuifmodulus
Young se modulus
Poisson se verhouding
Spoed van klank
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
Ruimtegroep64 (Cmca)

Isotopes of Chlorine

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

28Cl

Massagetal28
neutron number11
relative atomic mass
28,030349 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1
nuclear quadrupole moment
ontdekkingsdatum2018
parity+

decay modeintensity
p (proton emission)100%

29Cl

Massagetal29
neutron number12
relative atomic mass
29,015053 ± 0,000203 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,4 ± 1,9 zs
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1993
parity+

decay modeintensity
p (proton emission)100%

30Cl

Massagetal30
neutron number13
relative atomic mass
30,005018333 ± 0,000025631 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3
nuclear quadrupole moment
ontdekkingsdatum2018
parity+

decay modeintensity
p (proton emission)100%

31Cl

Massagetal31
neutron number14
relative atomic mass
30,992448097 ± 0,0000037 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
190 ± 1 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1977
parity+

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

32Cl

Massagetal32
neutron number15
relative atomic mass
31,985684605 ± 0,000000603 Da
g-factor
1,115 ± 0,006
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
298 ± 1 ms
spin1
nuclear quadrupole moment
ontdekkingsdatum1953
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

Massagetal33
neutron number16
relative atomic mass
32,977451988 ± 0,000000419 Da
g-factor
0,50313333333333 ± 0,0002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,5038 ± 0,0022 s
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1940
parity+

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

34Cl

Massagetal34
neutron number17
relative atomic mass
33,97376249 ± 0,000000052 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,5267 ± 0,0004 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

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

35Cl

Massagetal35
neutron number18
relative atomic mass
34,968852694 ± 0,000000038 Da
g-factor
0,5478 ± 0,000013333333333333
natural abundance
75,8 ± 0,2
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0,0817 ± 0,0008
ontdekkingsdatum1919
parity+

36Cl

Massagetal36
neutron number19
relative atomic mass
35,968306822 ± 0,000000038 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
301,3 ± 1,5 ky
spin2
nuclear quadrupole moment
-0,178 ± 0,004
ontdekkingsdatum1941
parity+

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

37Cl

Massagetal37
neutron number20
relative atomic mass
36,965902573 ± 0,000000055 Da
g-factor
0,456 ± 0,0000066666666666667
natural abundance
24,2 ± 0,2
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0,0644 ± 0,0006
ontdekkingsdatum1919
parity+

38Cl

Massagetal38
neutron number21
relative atomic mass
37,968010408 ± 0,000000105 Da
g-factor
1,025 ± 0,01
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
37,23 ± 0,014 m
spin2
nuclear quadrupole moment
ontdekkingsdatum1940
parity-

decay modeintensity
β (β decay)100%

39Cl

Massagetal39
neutron number22
relative atomic mass
38,968008151 ± 0,000001859 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
56,2 ± 0,6 m
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1949
parity+

decay modeintensity
β (β decay)100%

40Cl

Massagetal40
neutron number23
relative atomic mass
39,970415466 ± 0,000034423 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,35 ± 0,03 m
spin2
nuclear quadrupole moment
ontdekkingsdatum1956
parity-

decay modeintensity
β (β decay)100%

41Cl

Massagetal41
neutron number24
relative atomic mass
40,970684525 ± 0,000073777 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
38,4 ± 0,8 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%

42Cl

Massagetal42
neutron number25
relative atomic mass
41,973342 ± 0,000064 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,8 ± 0,3 s
spin2
nuclear quadrupole moment
ontdekkingsdatum1971
parity-

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

43Cl

Massagetal43
neutron number26
relative atomic mass
42,9740637 ± 0,000066407 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,13 ± 0,09 s
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1976
parity+

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

44Cl

Massagetal44
neutron number27
relative atomic mass
43,978014918 ± 0,000091859 Da
g-factor
0,2749 ± 0,0002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
562 ± 106 ms
spin2
nuclear quadrupole moment
ontdekkingsdatum1979
parity-

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

45Cl

Massagetal45
neutron number28
relative atomic mass
44,980394353 ± 0,000146177 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
413 ± 25 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1979
parity+

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

46Cl

Massagetal46
neutron number29
relative atomic mass
45,985254926 ± 0,0001044 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
232 ± 2 ms
spin2
nuclear quadrupole moment
ontdekkingsdatum1989
parity-

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

47Cl

Massagetal47
neutron number30
relative atomic mass
46,989715 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
101 ± 5 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1989
parity+

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

48Cl

Massagetal48
neutron number31
relative atomic mass
47,995405 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum1989
parity

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

49Cl

Massagetal49
neutron number32
relative atomic mass
49,000794 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1989
parity+

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

50Cl

Massagetal50
neutron number33
relative atomic mass
50,008266 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2009
parity

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

51Cl

Massagetal51
neutron number34
relative atomic mass
51,015341 ± 0,000751 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1990
parity+

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

52Cl

Massagetal52
neutron number35
relative atomic mass
52,024004 ± 0,000751 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2018
parity

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

geskiedenis

Ontdek deurCarl Wilhelm Scheele
ligging van ontdekkingSweden
ontdekkingsdatum1774
etimologieGreek: chlôros (greenish yellow).
uitspraakKLOR-een (Engels)

source

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

Nuclear Screening Constants

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