Kobalt

Kobalt (Co)

chemical element with symbol Co and atomic number 27
Atomic Number27
Atomic Weight58.933194
Numri i masës59
Group9
Period4
Blockd
protoni27 p+
neutroni32 n0
elektroni27 e-
Animated Bohr model of Co (Kobalt)

Tipar Fizik

Atomic Radius
135 pm
molar volume
covalent radius
111 pm
Metallic Radius
116 pm
ionic radius
58 pm
Crystal Radius
72 pm
Van der Waals radius
200 pm
density
8,86 g/cm³
Atomic Radii Of The Elements: Kobalt020406080100120140160180200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
742,7 kJ/mol
electron affinity
0,66225646 eV/particle
ionization energy
7,88101 eV/particle
ionization energy of Co (Kobalt)
enthalpy of vaporization
389,1 kJ/mol
enthalpy of fusion
15,48 kJ/mol
standard enthalpy of formation
426,7 kJ/mol
elektroni
electron shell2, 8, 15, 2
Bohr model: Co (Kobalt)
valence electron2
Lewis structure: Co (Kobalt)
konfigurimi i elektronit[Ar] 3d7 4s2
1s2 2s2 2p6 3s2 3p6 3d7 4s2
Enhanced Bohr model of Co (Kobalt)
Orbital Diagram of Co (Kobalt)
oxidation number-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativiteti
1.88
Electrophilicity Index
1,2638504937543713 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
3 200,15 K
Melting Point
1 768,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Gray
appearancehard lustrous gray metal
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,000013 1/K
molar heat capacity
24,81 J/(mol K)
Specific Heat Capacity
0,421 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
17 MS/m
electrical resistivity
0,00000006000000000002 m Ω
Superpërcjellshmëria
Magnetizimi
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
1 394 K
Néel temperature
strukturë
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2,51 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
5 MPa
bulk modulus
180 GPa
shear modulus
75 GPa
Young's modulus
209 GPa
Poisson's ratio
0,31
Shpejtësia e zërit
4 720 m/s
klasifikim
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number70
Mendeleev Number63
Pettifor Number64
Geochemical Classfirst series transition metal
Goldschmidt classificationsiderophile

other

Gas Basicity
719,8 kJ/mol
polarizability
55 ± 4 a₀
C6 Dispersion Coefficient
408 a₀
allotrope
Neutron cross section
37,2
Neutron Mass Absorption
0,021
numër kuantik4F9/2
space group194 (P63/mmc)

Isotopes of Cobalt

Stable Isotopes1
Unstable Isotopes31
Natural Isotopes1

47Co

Numri i masës47
numri i neutroneve20
relative atomic mass
47,011401 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

48Co

Numri i masës48
numri i neutroneve21
relative atomic mass
48,001857 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

49Co

Numri i masës49
numri i neutroneve22
relative atomic mass
48,989501 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

50Co

Numri i masës50
numri i neutroneve23
relative atomic mass
49,981117 ± 0,000135 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
38,8 ± 0,2 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)70.5%
2p (2-proton emission)

51Co

Numri i masës51
numri i neutroneve24
relative atomic mass
50,970647 ± 0,000052 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
68,8 ± 1,9 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3.8%

52Co

Numri i masës52
numri i neutroneve25
relative atomic mass
51,963130224 ± 0,000005669 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
111,7 ± 2,1 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity+

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

53Co

Numri i masës53
numri i neutroneve26
relative atomic mass
52,954203278 ± 0,000001854 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
244,6 ± 2,8 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity-

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

54Co

Numri i masës54
numri i neutroneve27
relative atomic mass
53,948459075 ± 0,00000038 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
193,27 ± 0,06 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1952
parity+

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

55Co

Numri i masës55
numri i neutroneve28
relative atomic mass
54,941996416 ± 0,000000434 Da
g-factor
1,3777142857143 ± 0,00085714285714286
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,53 ± 0,03 h
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1938
parity-

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

56Co

Numri i masës56
numri i neutroneve29
relative atomic mass
55,939838032 ± 0,00000051 Da
g-factor
0,9625 ± 0,0025
natural abundance
Radioaktivitet☢️ radioactive element
half-life
77,236 ± 0,026 d
Spini4
nuclear quadrupole moment
0,25 ± 0,09
koha e zbulimit apo shpikjes1941
parity+

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

57Co

Numri i masës57
numri i neutroneve30
relative atomic mass
56,936289819 ± 0,000000553 Da
g-factor
1,3485714285714 ± 0,0028571428571429
natural abundance
Radioaktivitet☢️ radioactive element
half-life
271,811 ± 0,032 d
Spini7/2
nuclear quadrupole moment
0,54 ± 0,1
koha e zbulimit apo shpikjes1941
parity-

decay modeintensitet
ϵ (electron capture)100%

58Co

Numri i masës58
numri i neutroneve31
relative atomic mass
57,935751292 ± 0,000001237 Da
g-factor
2,022 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
70,844 ± 0,02 d
Spini2
nuclear quadrupole moment
0,23 ± 0,03
koha e zbulimit apo shpikjes1941
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)14.79%
ϵ (electron capture)85.21%

59Co

Numri i masës59
numri i neutroneve32
relative atomic mass
58,933193524 ± 0,000000426 Da
g-factor
natural abundance
100
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini7/2
nuclear quadrupole moment
0,42 ± 0,03
koha e zbulimit apo shpikjes1923
parity-

60Co

Numri i masës60
numri i neutroneve33
relative atomic mass
59,933815536 ± 0,000000433 Da
g-factor
0,7598 ± 0,0016
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,2714 ± 0,0006 y
Spini5
nuclear quadrupole moment
0,46 ± 0,06
koha e zbulimit apo shpikjes1941
parity+

decay modeintensitet
β (β decay)100%

61Co

Numri i masës61
numri i neutroneve34
relative atomic mass
60,932476031 ± 0,000000901 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,649 ± 0,005 h
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1947
parity-

decay modeintensitet
β (β decay)100%

62Co

Numri i masës62
numri i neutroneve35
relative atomic mass
61,934058198 ± 0,00001994 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,54 ± 0,1 m
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1949
parity

decay modeintensitet
β (β decay)100%

63Co

Numri i masës63
numri i neutroneve36
relative atomic mass
62,93359963 ± 0,000019941 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
26,9 ± 0,4 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1960
parity-

decay modeintensitet
β (β decay)100%

64Co

Numri i masës64
numri i neutroneve37
relative atomic mass
63,935810176 ± 0,000021476 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
300 ± 30 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1969
parity+

decay modeintensitet
β (β decay)100%

65Co

Numri i masës65
numri i neutroneve38
relative atomic mass
64,936462071 ± 0,000002235 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,16 ± 0,03 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1978
parity

decay modeintensitet
β (β decay)100%

66Co

Numri i masës66
numri i neutroneve39
relative atomic mass
65,939442943 ± 0,000015 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
194 ± 17 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity+

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

67Co

Numri i masës67
numri i neutroneve40
relative atomic mass
66,940609625 ± 0,000006917 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
329 ± 28 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity-

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

68Co

Numri i masës68
numri i neutroneve41
relative atomic mass
67,944559401 ± 0,000004142 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
200 ± 20 ms
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity-

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

69Co

Numri i masës69
numri i neutroneve42
relative atomic mass
68,945909 ± 0,000092 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
180 ± 20 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity-

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

70Co

Numri i masës70
numri i neutroneve43
relative atomic mass
69,9500534 ± 0,0000118 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
508 ± 7 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity+

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

71Co

Numri i masës71
numri i neutroneve44
relative atomic mass
70,952366923 ± 0,00049923 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
80 ± 3 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1992
parity-

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

72Co

Numri i masës72
numri i neutroneve45
relative atomic mass
71,956736 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
51,5 ± 0,3 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1992
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)4%
2n (2-neutron emission)

73Co

Numri i masës73
numri i neutroneve46
relative atomic mass
72,959238 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
42 ± 0,8 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1995
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)6%
2n (2-neutron emission)

74Co

Numri i masës74
numri i neutroneve47
relative atomic mass
73,963993 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
31,3 ± 1,3 ms
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1995
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)18%
2n (2-neutron emission)

75Co

Numri i masës75
numri i neutroneve48
relative atomic mass
74,967192 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
26,5 ± 1,2 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1995
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)16%
2n (2-neutron emission)

76Co

Numri i masës76
numri i neutroneve49
relative atomic mass
75,972453 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
23 ± 6 ms
Spini8
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)

77Co

Numri i masës77
numri i neutroneve50
relative atomic mass
76,976479 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15 ± 6 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2014
parity-

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

78Co

Numri i masës78
numri i neutroneve51
relative atomic mass
77,983553 ± 0,000751 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes2017
parity

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

historia

zbuluesGeorge Brandt
vendndodhja e zbulimitSweden
koha e zbulimit apo shpikjes1739
EtimologjiaGerman: kobold (goblin).
pronunciationKO-bolt (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
0,00002 mg/L
natural abundance (Trupi i njeriut)
0,000002 %
natural abundance (meteoroid)
0,059 %
natural abundance (Diell)
0,0004 %
Abundance in Universe
0,0003 %

Nuclear Screening Constants

1s0.6332
2p3.9076
2s7.595
3d15.1446
3p13.5654
3s12.6777
4s21.4236