Hekur

Hekur (Fe)

chemical element with symbol Fe and atomic number 26
Atomic Number26
Atomic Weight55.845
Numri i masës56
Group8
Period4
Blockd
protoni26 p+
neutroni30 n0
elektroni26 e-
Animated Bohr model of Fe (Hekur)

Tipar Fizik

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: Hekur0153045607590105120135150165180195210pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
754 kJ/mol
electron affinity
ionization energy
7,9024678 eV/particle
ionization energy of Fe (Hekur)
enthalpy of vaporization
340 kJ/mol
enthalpy of fusion
13,8 kJ/mol
standard enthalpy of formation
415,5 kJ/mol
elektroni
electron shell2, 8, 14, 2
Bohr model: Fe (Hekur)
valence electron2
Lewis structure: Fe (Hekur)
konfigurimi i elektronit[Ar] 3d6 4s2
1s2 2s2 2p6 3s2 3p6 3d6 4s2
Enhanced Bohr model of Fe (Hekur)
Orbital Diagram of Fe (Hekur)
oxidation number-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7
Elektronegativiteti
1.83
Electrophilicity Index
1,045904228706801 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
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
Ngjyra
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
Superpërcjellshmëria
Magnetizimi
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
1 043 K
Néel temperature
strukturë
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
Shpejtësia e zërit
4 910 m/s
klasifikim
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
numër kuantik5D4
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

Numri i masës45
numri i neutroneve19
relative atomic mass
45,015467 ± 0,000304 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,5 ± 0,2 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity+

decay modeintensitet
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

Numri i masës46
numri i neutroneve20
relative atomic mass
46,001299 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13 ± 2 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1992
parity+

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

47Fe

Numri i masës47
numri i neutroneve21
relative atomic mass
46,992346 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
21,9 ± 0,2 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1992
parity-

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

48Fe

Numri i masës48
numri i neutroneve22
relative atomic mass
47,980667 ± 0,000099 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
45,3 ± 0,6 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1987
parity+

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

49Fe

Numri i masës49
numri i neutroneve23
relative atomic mass
48,973429 ± 0,000026 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
64,7 ± 0,3 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity-

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

50Fe

Numri i masës50
numri i neutroneve24
relative atomic mass
49,962988 ± 0,000009 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
152 ± 0,6 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1977
parity+

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

51Fe

Numri i masës51
numri i neutroneve25
relative atomic mass
50,956855137 ± 0,000001501 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
305,4 ± 2,3 ms
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity-

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

52Fe

Numri i masës52
numri i neutroneve26
relative atomic mass
51,948113364 ± 0,000000192 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,275 ± 0,008 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1948
parity+

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

53Fe

Numri i masës53
numri i neutroneve27
relative atomic mass
52,945305629 ± 0,000001792 Da
g-factor
-0,18571428571429 ± 0,0028571428571429
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,51 ± 0,02 m
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1938
parity-

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

54Fe

Numri i masës54
numri i neutroneve28
relative atomic mass
53,939608189 ± 0,000000368 Da
g-factor
0
natural abundance
5,845 ± 0,105
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1923
parity+

decay modeintensitet
+ (double β+ decay)

55Fe

Numri i masës55
numri i neutroneve29
relative atomic mass
54,938291158 ± 0,00000033 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,7562 ± 0,0004 y
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1939
parity-

decay modeintensitet
ϵ (electron capture)100%

56Fe

Numri i masës56
numri i neutroneve30
relative atomic mass
55,934935537 ± 0,000000287 Da
g-factor
0
natural abundance
91,754 ± 0,106
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1923
parity+

57Fe

Numri i masës57
numri i neutroneve31
relative atomic mass
56,93539195 ± 0,000000287 Da
g-factor
natural abundance
2,119 ± 0,029
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1935
parity-

58Fe

Numri i masës58
numri i neutroneve32
relative atomic mass
57,933273575 ± 0,000000339 Da
g-factor
0
natural abundance
0,282 ± 0,012
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1935
parity+

59Fe

Numri i masës59
numri i neutroneve33
relative atomic mass
58,934873492 ± 0,000000354 Da
g-factor
-0,22386666666667 ± 0,00026666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
44,5 ± 0,012 d
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1938
parity-

decay modeintensitet
β (β decay)100%

60Fe

Numri i masës60
numri i neutroneve34
relative atomic mass
59,934070249 ± 0,000003656 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,62 ± 0,04 My
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1957
parity+

decay modeintensitet
β (β decay)100%

61Fe

Numri i masës61
numri i neutroneve35
relative atomic mass
60,936746241 ± 0,0000028 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,98 ± 0,06 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1957
parity-

decay modeintensitet
β (β decay)100%

62Fe

Numri i masës62
numri i neutroneve36
relative atomic mass
61,936791809 ± 0,000003 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
68 ± 2 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1975
parity+

decay modeintensitet
β (β decay)100%

63Fe

Numri i masës63
numri i neutroneve37
relative atomic mass
62,940272698 ± 0,000004618 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,1 ± 0,6 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1980
parity-

decay modeintensitet
β (β decay)100%

64Fe

Numri i masës64
numri i neutroneve38
relative atomic mass
63,940987761 ± 0,000005386 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2 ± 0,2 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1980
parity+

decay modeintensitet
β (β decay)100%

65Fe

Numri i masës65
numri i neutroneve39
relative atomic mass
64,945015323 ± 0,000005487 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
805 ± 10 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1980
parity-

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

66Fe

Numri i masës66
numri i neutroneve40
relative atomic mass
65,946249958 ± 0,0000044 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
467 ± 29 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1985
parity+

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

67Fe

Numri i masës67
numri i neutroneve41
relative atomic mass
66,95093 ± 0,0000041 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
394 ± 9 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1985
parity-

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

68Fe

Numri i masës68
numri i neutroneve42
relative atomic mass
67,952875 ± 0,000207 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
188 ± 4 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1985
parity+

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

69Fe

Numri i masës69
numri i neutroneve43
relative atomic mass
68,957918 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
162 ± 7 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1992
parity-

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

70Fe

Numri i masës70
numri i neutroneve44
relative atomic mass
69,960397 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
61,4 ± 0,7 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1997
parity+

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

71Fe

Numri i masës71
numri i neutroneve45
relative atomic mass
70,965722 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
34,3 ± 2,6 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity+

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

72Fe

Numri i masës72
numri i neutroneve46
relative atomic mass
71,968599 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17 ± 1 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1997
parity+

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

73Fe

Numri i masës73
numri i neutroneve47
relative atomic mass
72,974246 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12,9 ± 1,6 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2010
parity+

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

74Fe

Numri i masës74
numri i neutroneve48
relative atomic mass
73,977821 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5 ± 5 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2010
parity+

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

75Fe

Numri i masës75
numri i neutroneve49
relative atomic mass
74,984219 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2013
parity+

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

76Fe

Numri i masës76
numri i neutroneve50
relative atomic mass
75,988631 ± 0,000644 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2017
parity+

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

historia

zbuluesKnown to the ancients.
vendndodhja e zbulimit
koha e zbulimit apo shpikjes
EtimologjiaAnglo-Saxon: iron; symbol from Latin: ferrum (iron).
pronunciationEYE-ern (anglisht)

burim

Abundance
Abundance in Earth's crust
56 300 mg/kg
natural abundance (Oqeani)
0,002 mg/L
natural abundance (Trupi i njeriut)
0,006 %
natural abundance (meteoroid)
22 %
natural abundance (Diell)
0,1 %
Abundance in Universe
0,11 %

Nuclear Screening Constants

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