Sofre

Sofre (S)

chemical element with symbol S and atomic number 16
Atomic Number16
Atomic Weight32.06
Rhif màs32
Group16
Period3
Blockp
Proton16 p+
Niwtron16 n0
Electron16 e-
Animated Bohr model of S (Sofre)

Nodwedd Ffisegol

Atomic Radius
100 pm
molar volume
covalent radius
103 pm
Metallic Radius
104 pm
ionic radius
184 pm
Crystal Radius
170 pm
Van der Waals radius
180 pm
density
2.07 g/cm³
Atomic Radii Of The Elements: Sofre0153045607590105120135150165180pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
664.3 kJ/mol
electron affinity
2.07710403 eV/particle
ionization energy
10.36001 eV/particle
ionization energy of S (Sofre)
enthalpy of vaporization
10.5 kJ/mol
enthalpy of fusion
1.23 kJ/mol
standard enthalpy of formation
277.17 kJ/mol
Electron
plisgyn yr electron2, 8, 6
Bohr model: S (Sofre)
valence electron6
Lewis structure: S (Sofre)
trefn yr electronnau[Ne] 3s2 3p4
1s2 2s2 2p6 3s2 3p4
Enhanced Bohr model of S (Sofre)
Orbital Diagram of S (Sofre)
Cyflwr ocsidiad-2, -1, 0, 1, 2, 3, 4, 5, 6
Electronegatifedd
2.58
Electrophilicity Index
2.3343529124239053 eV/particle
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
717.76 K
Melting Point
368.35 K
critical pressure
20.7 MPa
critical temperature
1,314.15 K
triple point
appearance
lliw
Yellow
appearancelemon yellow sintered microcrystals
Mynegrif plygiant
1.001111
nodwedd ffisegol gwrthrych
Thermal Conductivity
0.27 W/(m K)
thermal expansion
molar heat capacity
Specific Heat Capacity
0.708 J/(g⋅K)
heat capacity ratio
electrical properties
typeInsulator
dargludedd trydanol
0.000000000000000000001 MS/m
Gwrthedd
1,000,000,000,000,000 m Ω
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000062 m³/Kg
magnetic susceptibility (Molar)
-0.000000000199 m³/mol
magnetic susceptibility (Volume)
-0.0000122
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal StructureFace Centered Orthorhombic (ORC)
lattice constant
10.47 Å
Lattice Anglesπ/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness
2 MPa
bulk modulus
7.7 GPa
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryOther nonmetals, Nonmetals
CAS GroupVIB
IUPAC GroupVIA
Glawe Number96
Mendeleev Number100
Pettifor Number94
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

other

Gas Basicity
640.2 kJ/mol
polarizability
19.4 ± 0.1 a₀
C6 Dispersion Coefficient
134 a₀
allotropeRhombic Sulphur, Monoclinic Sulphur, Amorphous Sulphur
Neutron cross section
0.52
Neutron Mass Absorption
0.00055
quantum number3P2
space group70 (Fddd)

Isotopes of Sulfur

Stable Isotopes4
Unstable Isotopes20
Natural Isotopes4
Isotopic Composition3294.86%3294.86%344.37%344.37%330.76%330.76%360.02%360.02%

26S

Rhif màs26
neutron number10
relative atomic mass
26.029716 ± 0.000644 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
2p (2-proton emission)

27S

Rhif màs27
neutron number11
relative atomic mass
27.018777 ± 0.00043 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
16.3 ± 0.2 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1986
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)61%
2p (2-proton emission)3%

28S

Rhif màs28
neutron number12
relative atomic mass
28.004372762 ± 0.000171767 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
125 ± 10 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1982
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)20.7%

29S

Rhif màs29
neutron number13
relative atomic mass
28.996678 ± 0.000014 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
188 ± 4 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1964
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)46.4%

30S

Rhif màs30
neutron number14
relative atomic mass
29.98490677 ± 0.000000221 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.1798 ± 0.0003 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1961
parity+

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

31S

Rhif màs31
neutron number15
relative atomic mass
30.979557002 ± 0.000000246 Da
g-factor
0.97586 ± 0.00016
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.5534 ± 0.0018 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1940
parity+

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

32S

Rhif màs32
neutron number16
relative atomic mass
31.97207117354 ± 0.00000000141 Da
g-factor
0
natural abundance
94.85 ± 2.55
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1920
parity+

33S

Rhif màs33
neutron number17
relative atomic mass
32.97145890862 ± 0.00000000144 Da
g-factor
0.42883333333333 ± 0.000013333333333333
natural abundance
0.763 ± 0.02
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
-0.694 ± 0.004
dyddiad darganfod1926
parity+

34S

Rhif màs34
neutron number18
relative atomic mass
33.967867011 ± 0.000000047 Da
g-factor
0
natural abundance
4.365 ± 0.235
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1926
parity+

35S

Rhif màs35
neutron number19
relative atomic mass
34.969032321 ± 0.000000043 Da
g-factor
0.66666666666667 ± 0.026666666666667
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
87.37 ± 0.04 d
spin3/2
nuclear quadrupole moment
-0.483 ± 0.003
dyddiad darganfod1936
parity+

decay modeintensity
β (β decay)100%

36S

Rhif màs36
neutron number20
relative atomic mass
35.967080692 ± 0.000000201 Da
g-factor
0
natural abundance
0.0158 ± 0.0017
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1938
parity+

37S

Rhif màs37
neutron number21
relative atomic mass
36.9711255 ± 0.000000212 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.05 ± 0.02 m
spin7/2
nuclear quadrupole moment
dyddiad darganfod1945
parity-

decay modeintensity
β (β decay)100%

38S

Rhif màs38
neutron number22
relative atomic mass
37.9711633 ± 0.000007699 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
170.3 ± 0.7 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1958
parity+

decay modeintensity
β (β decay)100%

39S

Rhif màs39
neutron number23
relative atomic mass
38.97513385 ± 0.000053677 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
11.5 ± 0.5 s
spin7/2
nuclear quadrupole moment
dyddiad darganfod1971
parity

decay modeintensity
β (β decay)100%

40S

Rhif màs40
neutron number24
relative atomic mass
39.975482561 ± 0.000004274 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.8 ± 2.2 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1971
parity+

decay modeintensity
β (β decay)100%

41S

Rhif màs41
neutron number25
relative atomic mass
40.979593451 ± 0.0000044 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.99 ± 0.05 s
spin7/2
nuclear quadrupole moment
dyddiad darganfod1979
parity-

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

42S

Rhif màs42
neutron number26
relative atomic mass
41.9810651 ± 0.000003 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.016 ± 0.015 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1%

43S

Rhif màs43
neutron number27
relative atomic mass
42.986907635 ± 0.000005335 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
265 ± 13 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)40%

44S

Rhif màs44
neutron number28
relative atomic mass
43.990118846 ± 0.0000056 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
100 ± 1 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)18%

45S

Rhif màs45
neutron number29
relative atomic mass
44.996414 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
68 ± 2 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1989
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)54%
2n (2-neutron emission)

46S

Rhif màs46
neutron number30
relative atomic mass
46.000687 ± 0.000429 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
50 ± 8 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1989
parity+

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

47S

Rhif màs47
neutron number31
relative atomic mass
47.00773 ± 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)

48S

Rhif màs48
neutron number32
relative atomic mass
48.013301 ± 0.000537 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod1990
parity+

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

49S

Rhif màs49
neutron number33
relative atomic mass
49.021891 ± 0.000626 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod2018
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Sulfur - El Desierto mine, San Pablo de Napa, Daniel Campos Province, Potosí, Bolivia

hanes

darganfyddwr neu ddyfeisiwrKnown to the ancients.
man darganfod
dyddiad darganfod
geirdarddiadLatin: sulphur (brimstone).
ynganiadSUL-fer (Saesneg)

source

Abundance
Abundance in Earth's crust
350 mg/kg
natural abundance (cefnfor)
905 mg/L
natural abundance (corff dynol)
0.2 %
natural abundance (Awyrfaen)
4 %
natural abundance (Haul)
0.04 %
Abundance in Universe
0.05 %

Nuclear Screening Constants

1s0.4591
2p4.023
2s5.3712
3p10.5181
3s9.6331