Kobalt

Kobalt (Co)

chemical element with symbol Co and atomic number 27
Atomski broj27
Relativna atomska masa58.933194
Maseni broj59
Skupina9
Perioda4
Blokd
proton27 p+
neutron32 n0
elektron27 e-
Animated Bohrov model atoma of Co (Kobalt)

Physical Property

Atomski Radijus
135 pm
Molni volumen
Kovalentni Radijus
111 pm
Metallic Radius
116 pm
Ionski radijus
58 pm
Crystal Radius
72 pm
Van der Waals radius
200 pm
gustoća
8,86 g/cm³
Atomic Radii Of The Elements: Kobalt0102030405060708090100110120130140150160170180190200pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
742,7 kJ/mol
Elektronski afinitet
0,66225646 eV/particle
ionization energy
7,88101 eV/particle
ionization energy of Co (Kobalt)
Toplina isparivanja
389,1 kJ/mol
toplina taljenja
15,48 kJ/mol
standard enthalpy of formation
426,7 kJ/mol
elektron
Elektronska ljuska2, 8, 15, 2
Bohrov model atoma: Co (Kobalt)
valence electron2
Lewis structure: Co (Kobalt)
electron configuration[Ar] 3d7 4s2
1s2 2s2 2p6 3s2 3p6 3d7 4s2
Enhanced Bohrov model atoma of Co (Kobalt)
Orbital Diagram of Co (Kobalt)
Oksidacijski broj-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost
1.88
Electrophilicity Index
1,2638504937543713 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
3.200,15 K
Talište
1.768,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Siva
appearancehard lustrous gray metal
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
0,000013 1/K
molar heat capacity
24,81 J/(mol K)
Specifični toplinski kapacitet
0,421 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
17 MS/m
Električna otpornost i provodnost
0,00000006000000000002 m Ω
Supravodljivost
Magnetizam
typeferromagnetic
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
1.394 K
Néel temperature
struktura
Kristalna strukturaJednostavna heksagonska (HEX)
lattice constant
2,51 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
5 MPa
bulk modulus
180 GPa
shear modulus
75 GPa
Youngov modul elastičnosti
209 GPa
Poissonov omjer
0,31
brzina zvuka
4.720 m/s
classification
KategorijaPrijelazni metali, 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
Nuklearni udarni presjek
37,2
Neutron Mass Absorption
0,021
Kvantni brojevi4F9/2
space group194 (P63/mmc)

Isotopes of Cobalt

Stabilni izotopi1
Nestabilni izotopi31
Natural Isotopes1

47Co

Maseni broj47
neutron number20
Relativna atomska masa
47,011401 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

48Co

Maseni broj48
neutron number21
Relativna atomska masa
48,001857 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost+

decay modeintensity
p (proton emission)

49Co

Maseni broj49
neutron number22
Relativna atomska masa
48,989501 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

50Co

Maseni broj50
neutron number23
Relativna atomska masa
49,981117 ± 0,000135 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
38,8 ± 0,2 ms
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost+

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

51Co

Maseni broj51
neutron number24
Relativna atomska masa
50,970647 ± 0,000052 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
68,8 ± 1,9 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost-

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

52Co

Maseni broj52
neutron number25
Relativna atomska masa
51,963130224 ± 0,000005669 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
111,7 ± 2,1 ms
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost+

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

53Co

Maseni broj53
neutron number26
Relativna atomska masa
52,954203278 ± 0,000001854 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
244,6 ± 2,8 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

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

54Co

Maseni broj54
neutron number27
Relativna atomska masa
53,948459075 ± 0,00000038 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
193,27 ± 0,06 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1952
Parnost+

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

55Co

Maseni broj55
neutron number28
Relativna atomska masa
54,941996416 ± 0,000000434 Da
g-factor
1,3777142857143 ± 0,00085714285714286
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,53 ± 0,03 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1938
Parnost-

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

56Co

Maseni broj56
neutron number29
Relativna atomska masa
55,939838032 ± 0,00000051 Da
g-factor
0,9625 ± 0,0025
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
77,236 ± 0,026 d
spin4
nuclear quadrupole moment
0,25 ± 0,09
vrijeme otkrića ili izuma1941
Parnost+

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

57Co

Maseni broj57
neutron number30
Relativna atomska masa
56,936289819 ± 0,000000553 Da
g-factor
1,3485714285714 ± 0,0028571428571429
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
271,811 ± 0,032 d
spin7/2
nuclear quadrupole moment
0,54 ± 0,1
vrijeme otkrića ili izuma1941
Parnost-

decay modeintensity
ϵ (electron capture)100%

58Co

Maseni broj58
neutron number31
Relativna atomska masa
57,935751292 ± 0,000001237 Da
g-factor
2,022 ± 0,004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
70,844 ± 0,02 d
spin2
nuclear quadrupole moment
0,23 ± 0,03
vrijeme otkrića ili izuma1941
Parnost+

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

59Co

Maseni broj59
neutron number32
Relativna atomska masa
58,933193524 ± 0,000000426 Da
g-factor
natural abundance
100
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
0,42 ± 0,03
vrijeme otkrića ili izuma1923
Parnost-

60Co

Maseni broj60
neutron number33
Relativna atomska masa
59,933815536 ± 0,000000433 Da
g-factor
0,7598 ± 0,0016
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,2714 ± 0,0006 y
spin5
nuclear quadrupole moment
0,46 ± 0,06
vrijeme otkrića ili izuma1941
Parnost+

decay modeintensity
β (β decay)100%

61Co

Maseni broj61
neutron number34
Relativna atomska masa
60,932476031 ± 0,000000901 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,649 ± 0,005 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1947
Parnost-

decay modeintensity
β (β decay)100%

62Co

Maseni broj62
neutron number35
Relativna atomska masa
61,934058198 ± 0,00001994 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,54 ± 0,1 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1949
Parnost

decay modeintensity
β (β decay)100%

63Co

Maseni broj63
neutron number36
Relativna atomska masa
62,93359963 ± 0,000019941 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,9 ± 0,4 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost-

decay modeintensity
β (β decay)100%

64Co

Maseni broj64
neutron number37
Relativna atomska masa
63,935810176 ± 0,000021476 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
300 ± 30 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1969
Parnost+

decay modeintensity
β (β decay)100%

65Co

Maseni broj65
neutron number38
Relativna atomska masa
64,936462071 ± 0,000002235 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,16 ± 0,03 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1978
Parnost

decay modeintensity
β (β decay)100%

66Co

Maseni broj66
neutron number39
Relativna atomska masa
65,939442943 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
194 ± 17 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost+

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

67Co

Maseni broj67
neutron number40
Relativna atomska masa
66,940609625 ± 0,000006917 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
329 ± 28 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost-

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

68Co

Maseni broj68
neutron number41
Relativna atomska masa
67,944559401 ± 0,000004142 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
200 ± 20 ms
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost-

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

69Co

Maseni broj69
neutron number42
Relativna atomska masa
68,945909 ± 0,000092 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
180 ± 20 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost-

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

70Co

Maseni broj70
neutron number43
Relativna atomska masa
69,9500534 ± 0,0000118 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
508 ± 7 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost+

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

71Co

Maseni broj71
neutron number44
Relativna atomska masa
70,952366923 ± 0,00049923 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
80 ± 3 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost-

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

72Co

Maseni broj72
neutron number45
Relativna atomska masa
71,956736 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
51,5 ± 0,3 ms
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost-

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

73Co

Maseni broj73
neutron number46
Relativna atomska masa
72,959238 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
42 ± 0,8 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1995
Parnost-

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

74Co

Maseni broj74
neutron number47
Relativna atomska masa
73,963993 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31,3 ± 1,3 ms
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1995
Parnost-

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

75Co

Maseni broj75
neutron number48
Relativna atomska masa
74,967192 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,5 ± 1,2 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1995
Parnost-

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

76Co

Maseni broj76
neutron number49
Relativna atomska masa
75,972453 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
23 ± 6 ms
spin8
nuclear quadrupole moment
vrijeme otkrića ili izuma2010
Parnost-

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

77Co

Maseni broj77
neutron number50
Relativna atomska masa
76,976479 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15 ± 6 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2014
Parnost-

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

78Co

Maseni broj78
neutron number51
Relativna atomska masa
77,983553 ± 0,000751 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma2017
Parnost

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

povijest

otkrio/izumioGeorge Brandt
location of discoverySweden
vrijeme otkrića ili izuma1739
EtimologijaGerman: kobold (goblin).
pronunciationKO-bolt (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
0,00002 mg/L
natural abundance (tijelo)
0,000002 %
natural abundance (meteoroid)
0,059 %
natural abundance (Sunce)
0,0004 %
Zastupljenost u svemiru
0,0003 %

Nuclear Screening Constants

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