Cobalto

Cobalto (Co)

chemical element with symbol Co and atomic number 27
Atomic Number27
Atomic Weight58.933194
Numero masico59
Group9
Period4
Blockd
Protón27 p+
Neutrón32 n0
Electrón27 e-
Animated Modelo atomico de Bohr of Co (Cobalto)

Physical Property

Radio Atomico
molar volume
Radio covalent
Metallic Radius
Radio ionico
Crystal Radius
Radio de van der Waals
density
Atomic Radii Of The Elements: Cobalto0102030405060708090100110120130140150160170180190200pmRadio AtomicoRadio CovalentMetallic RadiusRadio de van der Waals

Chemical Property

enerchía
proton affinity
Afinidat electronica
ionization energy
ionization energy of Co (Cobalto)
Entalpía de vaporización
entalpía de fusión
standard enthalpy of formation
Electrón
electron shell2, 8, 15, 2
Modelo atomico de Bohr: Co (Cobalto)
valence electron2
Lewis structure: Co (Cobalto)
electron configuration[Ar] 3d7 4s2
1s2 2s2 2p6 3s2 3p6 3d7 4s2
Enhanced Modelo atomico de Bohr of Co (Cobalto)
Orbital Diagram of Co (Cobalto)
Numero d'oxidación-3, -1, 0, 1, 2, 3, 4, 5
Electronegatividat
1.88
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Punto triple
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

Numero masico47
neutron number20
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

48Co

Numero masico48
neutron number21
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin6
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

49Co

Numero masico49
neutron number22
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

50Co

Numero masico50
neutron number23
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico51
neutron number24
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico52
neutron number25
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico53
neutron number26
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico54
neutron number27
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico55
neutron number28
Relative Atomic Mass
g-factor
1.3777142857143 ± 0.00085714285714286
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico56
neutron number29
Relative Atomic Mass
g-factor
0.9625 ± 0.0025
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico57
neutron number30
Relative Atomic Mass
g-factor
1.3485714285714 ± 0.0028571428571429
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico58
neutron number31
Relative Atomic Mass
g-factor
2.022 ± 0.004
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico59
neutron number32
Relative Atomic Mass
g-factor
natural abundance
100
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
0.42 ± 0.03
time of discovery or invention1923
parity-

60Co

Numero masico60
neutron number33
Relative Atomic Mass
g-factor
0.7598 ± 0.0016
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico61
neutron number34
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
1.649 ± 0.005 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1947
parity-

decay modeintensity
β (β decay)100%

62Co

Numero masico62
neutron number35
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
1.54 ± 0.1 m
spin2
nuclear quadrupole moment
time of discovery or invention1949
parity

decay modeintensity
β (β decay)100%

63Co

Numero masico63
neutron number36
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
26.9 ± 0.4 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%

64Co

Numero masico64
neutron number37
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
300 ± 30 ms
spin1
nuclear quadrupole moment
time of discovery or invention1969
parity+

decay modeintensity
β (β decay)100%

65Co

Numero masico65
neutron number38
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
1.16 ± 0.03 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1978
parity

decay modeintensity
β (β decay)100%

66Co

Numero masico66
neutron number39
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico67
neutron number40
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico68
neutron number41
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico69
neutron number42
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico70
neutron number43
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico71
neutron number44
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico72
neutron number45
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico73
neutron number46
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico74
neutron number47
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico75
neutron number48
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico76
neutron number49
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico77
neutron number50
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
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

Numero masico78
neutron number51
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin
nuclear quadrupole moment
time of discovery or invention2017
parity

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

historia

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

source

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

Nuclear Screening Constants

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