Hesin

Hesin (Fe)

chemical element with symbol Fe and atomic number 26
Atomic Number26
Atomic Weight55.845
Hejmara baristeyî56
Group8
Period4
Blockd
Proton26 p+
Notron30 n0
Kareva26 e-
Animated Bohr model of Fe (Hesin)

Physical Property

Atomic Radius
140 pm
molar volume
Covalent Radius
116 pm
Metallic Radius
117 pm
ionic radius
63 pm
Crystal Radius
77 pm
Van der Waals radius
204 pm
density
7,87 g/cm³
Atomic Radii Of The Elements: Hesin0153045607590105120135150165180195210pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
754 kJ/mol
electron affinity
ionization energy
7,9024678 eV/particle
ionization energy of Fe (Hesin)
enthalpy of vaporization
340 kJ/mol
enthalpy of fusion
13,8 kJ/mol
standard enthalpy of formation
415,5 kJ/mol
Kareva
electron shell2, 8, 14, 2
Bohr model: Fe (Hesin)
valence electron2
Lewis structure: Fe (Hesin)
electron configuration[Ar] 3d6 4s2
1s2 2s2 2p6 3s2 3p6 3d6 4s2
Enhanced Bohr model of Fe (Hesin)
Orbital Diagram of Fe (Hesin)
oxidation number-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7
electronegativity
1.83
Electrophilicity Index
1,045904228706801 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3.134,15 K
Melting Point
1.811,15 K
critical pressure
critical temperature
9.340,15 K
triple point
appearance
color
Gray
appearancelustrous metallic with a grayish tinge
refractive index
thermodynamic material property
Thermal Conductivity
80,4 W/(m K)
thermal expansion
0,0000118 1/K
molar heat capacity
Specific Heat Capacity
0,449 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
10 MS/m
electrical resistivity
0,00000009700000000001 m Ω
superconductivity
magnetism
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Germahiya Curie
1.043 K
Néel temperature
pêkhate
Crystal StructureBody Centered Cubic (BCC)
lattice constant
2,87 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
4 MPa
bulk modulus
170 GPa
shear modulus
82 GPa
Young's modulus
211 GPa
Poisson's ratio
0,29
Leza dengê
4.910 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number71
Mendeleev Number59
Pettifor Number61
Geochemical Classmajor
Goldschmidt classificationsiderophile

other

Gas Basicity
731,1 kJ/mol
polarizability
62 ± 4 a₀
C6 Dispersion Coefficient
482 a₀
allotrope
Neutron cross section
2,56
Neutron Mass Absorption
0,0015
quantum number5D4
space group229 (Im_3m)

Isotopes of Iron

Stable Isotopes3
Unstable Isotopes29
Natural Isotopes4
Isotopic Composition5691.75%5691.75%545.85%545.85%572.12%572.12%580.28%580.28%

45Fe

Hejmara baristeyî45
neutron number19
Giraniya atomê
45,015467 ± 0,000304 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,5 ± 0,2 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1996
parity+

decay modeintensity
2p (2-proton emission)70%
β+ (β+ decay; β+ = ϵ + e+)30%
β+ p (β+-delayed proton emission)18.9%
2p (2-proton emission)7.8%

46Fe

Hejmara baristeyî46
neutron number20
Giraniya atomê
46,001299 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
13 ± 2 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1992
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)78.7%
2p (2-proton emission)

47Fe

Hejmara baristeyî47
neutron number21
Giraniya atomê
46,992346 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
21,9 ± 0,2 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1992
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)88.4%

48Fe

Hejmara baristeyî48
neutron number22
Giraniya atomê
47,980667 ± 0,000099 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
45,3 ± 0,6 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1987
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)15.3%

49Fe

Hejmara baristeyî49
neutron number23
Giraniya atomê
48,973429 ± 0,000026 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
64,7 ± 0,3 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1970
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)56.7%

50Fe

Hejmara baristeyî50
neutron number24
Giraniya atomê
49,962988 ± 0,000009 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
152 ± 0,6 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0%

51Fe

Hejmara baristeyî51
neutron number25
Giraniya atomê
50,956855137 ± 0,000001501 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
305,4 ± 2,3 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1972
parity-

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

52Fe

Hejmara baristeyî52
neutron number26
Giraniya atomê
51,948113364 ± 0,000000192 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,275 ± 0,008 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1948
parity+

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

53Fe

Hejmara baristeyî53
neutron number27
Giraniya atomê
52,945305629 ± 0,000001792 Da
g-factor
-0,18571428571429 ± 0,0028571428571429
natural abundance
radioactivity☢️ radioactive element
half-life
8,51 ± 0,02 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1938
parity-

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

54Fe

Hejmara baristeyî54
neutron number28
Giraniya atomê
53,939608189 ± 0,000000368 Da
g-factor
0
natural abundance
5,845 ± 0,105
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1923
parity+

decay modeintensity
+ (double β+ decay)

55Fe

Hejmara baristeyî55
neutron number29
Giraniya atomê
54,938291158 ± 0,00000033 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,7562 ± 0,0004 y
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1939
parity-

decay modeintensity
ϵ (electron capture)100%

56Fe

Hejmara baristeyî56
neutron number30
Giraniya atomê
55,934935537 ± 0,000000287 Da
g-factor
0
natural abundance
91,754 ± 0,106
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1923
parity+

57Fe

Hejmara baristeyî57
neutron number31
Giraniya atomê
56,93539195 ± 0,000000287 Da
g-factor
natural abundance
2,119 ± 0,029
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1935
parity-

58Fe

Hejmara baristeyî58
neutron number32
Giraniya atomê
57,933273575 ± 0,000000339 Da
g-factor
0
natural abundance
0,282 ± 0,012
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1935
parity+

59Fe

Hejmara baristeyî59
neutron number33
Giraniya atomê
58,934873492 ± 0,000000354 Da
g-factor
-0,22386666666667 ± 0,00026666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
44,5 ± 0,012 d
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1938
parity-

decay modeintensity
β (β decay)100%

60Fe

Hejmara baristeyî60
neutron number34
Giraniya atomê
59,934070249 ± 0,000003656 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,62 ± 0,04 My
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1957
parity+

decay modeintensity
β (β decay)100%

61Fe

Hejmara baristeyî61
neutron number35
Giraniya atomê
60,936746241 ± 0,0000028 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,98 ± 0,06 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1957
parity-

decay modeintensity
β (β decay)100%

62Fe

Hejmara baristeyî62
neutron number36
Giraniya atomê
61,936791809 ± 0,000003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
68 ± 2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1975
parity+

decay modeintensity
β (β decay)100%

63Fe

Hejmara baristeyî63
neutron number37
Giraniya atomê
62,940272698 ± 0,000004618 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,1 ± 0,6 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1980
parity-

decay modeintensity
β (β decay)100%

64Fe

Hejmara baristeyî64
neutron number38
Giraniya atomê
63,940987761 ± 0,000005386 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2 ± 0,2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1980
parity+

decay modeintensity
β (β decay)100%

65Fe

Hejmara baristeyî65
neutron number39
Giraniya atomê
64,945015323 ± 0,000005487 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
805 ± 10 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1980
parity-

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

66Fe

Hejmara baristeyî66
neutron number40
Giraniya atomê
65,946249958 ± 0,0000044 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
467 ± 29 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1985
parity+

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

67Fe

Hejmara baristeyî67
neutron number41
Giraniya atomê
66,95093 ± 0,0000041 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
394 ± 9 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1985
parity-

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

68Fe

Hejmara baristeyî68
neutron number42
Giraniya atomê
67,952875 ± 0,000207 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
188 ± 4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1985
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0%

69Fe

Hejmara baristeyî69
neutron number43
Giraniya atomê
68,957918 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
162 ± 7 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1992
parity-

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

70Fe

Hejmara baristeyî70
neutron number44
Giraniya atomê
69,960397 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
61,4 ± 0,7 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1997
parity+

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

71Fe

Hejmara baristeyî71
neutron number45
Giraniya atomê
70,965722 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
34,3 ± 2,6 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity+

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

72Fe

Hejmara baristeyî72
neutron number46
Giraniya atomê
71,968599 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
17 ± 1 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1997
parity+

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

73Fe

Hejmara baristeyî73
neutron number47
Giraniya atomê
72,974246 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12,9 ± 1,6 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity+

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

74Fe

Hejmara baristeyî74
neutron number48
Giraniya atomê
73,977821 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
5 ± 5 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2010
parity+

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

75Fe

Hejmara baristeyî75
neutron number49
Giraniya atomê
74,984219 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2013
parity+

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

76Fe

Hejmara baristeyî76
neutron number50
Giraniya atomê
75,988631 ± 0,000644 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2017
parity+

decay modeintensity
β (β decay)
Iron electrolytic and 1cm3 cube

dîrok

kaşîf an îcadkerKnown to the ancients.
location of discovery
dema îcadkirinê yan keşfê
BêjenasîAnglo-Saxon: iron; symbol from Latin: ferrum (iron).
pronunciationEYE-ern (îngilîzî)

source

Abundance
Abundance in Earth's crust
56.300 mg/kg
natural abundance (Okyanûs)
0,002 mg/L
natural abundance (human body)
0,006 %
natural abundance (meteoroid)
22 %
natural abundance (Roj)
0,1 %
Abundance in Universe
0,11 %

Nuclear Screening Constants

1s0.619
2p3.9112
2s7.401
3d14.8202
3p13.2221
3s12.3239
4s20.566