كوبالت

كوبالت (Co)

chemical element with symbol Co and atomic number 27
Atomic Number27
Atomic Weight58.933194
mass number59
Group9
Period4
Blockd
پروتون27 p+
neutron32 n0
ئېلېكترون27 e-
Animated بورمودىلى of Co (كوبالت)

Physical Property

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: كوبالت0102030405060708090100110120130140150160170180190200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

ئېنېرگىيە
proton affinity
electron affinity
ionization energy
ionization energy of Co (كوبالت)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
ئېلېكترون
ئېلېكترون قەۋەت2, 8, 15, 2
بورمودىلى: Co (كوبالت)
valence electron2
Lewis structure: Co (كوبالت)
electron configuration[Ar] 3d7 4s2
1s2 2s2 2p6 3s2 3p6 3d7 4s2
Enhanced بورمودىلى of Co (كوبالت)
Orbital Diagram of Co (كوبالت)
oxidation number-3, -1, 0, 1, 2, 3, 4, 5
electronegativity
1.88
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
color
Gray
appearancehard lustrous gray metal
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
magnetism
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0.31
speed of sound
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number70
Mendeleev Number63
Pettifor Number64
Geochemical Classfirst series transition metal
Goldschmidt classificationsiderophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
37.2
Neutron Mass Absorption
0.021
quantum number4F9/2
space group194 (P63/mmc)

Isotopes of Cobalt

Stable Isotopes1
Unstable Isotopes31
Natural Isotopes1

47Co

mass number47
neutron number20
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

48Co

mass number48
neutron number21
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin6
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

49Co

mass number49
neutron number22
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

50Co

mass number50
neutron number23
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
38.8 ± 0.2 ms
spin6
nuclear quadrupole moment
time of discovery or invention1987
parity+

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

51Co

mass number51
neutron number24
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
68.8 ± 1.9 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1987
parity-

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

52Co

mass number52
neutron number25
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
111.7 ± 2.1 ms
spin6
nuclear quadrupole moment
time of discovery or invention1987
parity+

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

53Co

mass number53
neutron number26
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
244.6 ± 2.8 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

54Co

mass number54
neutron number27
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
193.27 ± 0.06 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1952
parity+

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

55Co

mass number55
neutron number28
Relative Atomic Mass
g-factor
1.3777142857143 ± 0.00085714285714286
natural abundance
radioactivity☢️ radioactive element
half-life
17.53 ± 0.03 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1938
parity-

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

56Co

mass number56
neutron number29
Relative Atomic Mass
g-factor
0.9625 ± 0.0025
natural abundance
radioactivity☢️ radioactive element
half-life
77.236 ± 0.026 d
spin4
nuclear quadrupole moment
0.25 ± 0.09
time of discovery or invention1941
parity+

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

57Co

mass number57
neutron number30
Relative Atomic Mass
g-factor
1.3485714285714 ± 0.0028571428571429
natural abundance
radioactivity☢️ radioactive element
half-life
271.811 ± 0.032 d
spin7/2
nuclear quadrupole moment
0.54 ± 0.1
time of discovery or invention1941
parity-

decay modeintensity
ϵ (electron capture)100%

58Co

mass number58
neutron number31
Relative Atomic Mass
g-factor
2.022 ± 0.004
natural abundance
radioactivity☢️ radioactive element
half-life
70.844 ± 0.02 d
spin2
nuclear quadrupole moment
0.23 ± 0.03
time of discovery or invention1941
parity+

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

59Co

mass number59
neutron number32
Relative Atomic Mass
g-factor
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
0.42 ± 0.03
time of discovery or invention1923
parity-

60Co

mass number60
neutron number33
Relative Atomic Mass
g-factor
0.7598 ± 0.0016
natural abundance
radioactivity☢️ radioactive element
half-life
5.2714 ± 0.0006 y
spin5
nuclear quadrupole moment
0.46 ± 0.06
time of discovery or invention1941
parity+

decay modeintensity
β (β decay)100%

61Co

mass number61
neutron number34
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.649 ± 0.005 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1947
parity-

decay modeintensity
β (β decay)100%

62Co

mass number62
neutron number35
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.54 ± 0.1 m
spin2
nuclear quadrupole moment
time of discovery or invention1949
parity

decay modeintensity
β (β decay)100%

63Co

mass number63
neutron number36
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
26.9 ± 0.4 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%

64Co

mass number64
neutron number37
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
300 ± 30 ms
spin1
nuclear quadrupole moment
time of discovery or invention1969
parity+

decay modeintensity
β (β decay)100%

65Co

mass number65
neutron number38
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.16 ± 0.03 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1978
parity

decay modeintensity
β (β decay)100%

66Co

mass number66
neutron number39
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
194 ± 17 ms
spin1
nuclear quadrupole moment
time of discovery or invention1985
parity+

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

67Co

mass number67
neutron number40
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
329 ± 28 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1985
parity-

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

68Co

mass number68
neutron number41
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
200 ± 20 ms
spin7
nuclear quadrupole moment
time of discovery or invention1985
parity-

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

69Co

mass number69
neutron number42
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
180 ± 20 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1985
parity-

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

70Co

mass number70
neutron number43
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
508 ± 7 ms
spin1
nuclear quadrupole moment
time of discovery or invention1998
parity+

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

71Co

mass number71
neutron number44
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
80 ± 3 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1992
parity-

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

72Co

mass number72
neutron number45
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
51.5 ± 0.3 ms
spin6
nuclear quadrupole moment
time of discovery or invention1992
parity-

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

73Co

mass number73
neutron number46
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
42 ± 0.8 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1995
parity-

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

74Co

mass number74
neutron number47
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
31.3 ± 1.3 ms
spin7
nuclear quadrupole moment
time of discovery or invention1995
parity-

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

75Co

mass number75
neutron number48
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
26.5 ± 1.2 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1995
parity-

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

76Co

mass number76
neutron number49
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23 ± 6 ms
spin8
nuclear quadrupole moment
time of discovery or invention2010
parity-

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

77Co

mass number77
neutron number50
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
15 ± 6 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention2014
parity-

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

78Co

mass number78
neutron number51
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention2017
parity

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

تارىخ

discoverer or inventorGeorge Brandt
location of discoverySweden
time of discovery or invention1739
etymologyGerman: kobold (goblin).
pronunciationKO-bolt (ئىنگلىزچە)

source

Abundance
Abundance in Earth's crust
natural abundance (ئوكيانىيە)
natural abundance (human body)
0.000002 %
natural abundance (meteoroid)
0.059 %
natural abundance (قۇياش)
0.0004 %
Abundance in Universe
0.0003 %

Nuclear Screening Constants

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