Kubaltu, ²Kuwaltu

Kubaltu, ²Kuwaltu (Co)

chemical element with symbol Co and atomic number 27
Atomic Number27
Atomic Weight58.933194
mass number59
Group9
Period4
Blockd
Prutun27 p+
Niwtrun32 n0
Iliktrun27 e-
Animated Bohr model of Co (Kubaltu, ²Kuwaltu)

Physical Property

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: Kubaltu, ²Kuwaltu0102030405060708090100110120130140150160170180190200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

micha
proton affinity
742.7 kJ/mol
electron affinity
0.66225646 eV/particle
ionization energy
7.88101 eV/particle
ionization energy of Co (Kubaltu, ²Kuwaltu)
enthalpy of vaporization
389.1 kJ/mol
enthalpy of fusion
15.48 kJ/mol
standard enthalpy of formation
426.7 kJ/mol
Iliktrun
Iñuku hawa2, 8, 15, 2
Bohr model: Co (Kubaltu, ²Kuwaltu)
valence electron2
Lewis structure: Co (Kubaltu, ²Kuwaltu)
electron configuration[Ar] 3d7 4s2
1s2 2s2 2p6 3s2 3p6 3d7 4s2
Enhanced Bohr model of Co (Kubaltu, ²Kuwaltu)
Orbital Diagram of Co (Kubaltu, ²Kuwaltu)
oxidation number-3, -1, 0, 1, 2, 3, 4, 5
electronegativity
1.88
Electrophilicity Index
1.2638504937543713 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3,200.15 K
Melting Point
1,768.15 K
critical pressure
critical temperature
triple point
appearance
Llimphi
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
superconductivity
Llut'ariy
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
1,394 K
Néel temperature
Pawa
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
speed of sound
4,720 m/s
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
719.8 kJ/mol
polarizability
55 ± 4 a₀
C6 Dispersion Coefficient
408 a₀
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
47.011401 ± 0.000644 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

48Co

mass number48
neutron number21
relative atomic mass
48.001857 ± 0.000537 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin6
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

49Co

mass number49
neutron number22
relative atomic mass
48.989501 ± 0.000537 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

50Co

mass number50
neutron number23
relative atomic mass
49.981117 ± 0.000135 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
50.970647 ± 0.000052 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
51.963130224 ± 0.000005669 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
52.954203278 ± 0.000001854 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
53.948459075 ± 0.00000038 Da
g-factor
0
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
54.941996416 ± 0.000000434 Da
g-factor
1.3777142857143 ± 0.00085714285714286
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
55.939838032 ± 0.00000051 Da
g-factor
0.9625 ± 0.0025
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
56.936289819 ± 0.000000553 Da
g-factor
1.3485714285714 ± 0.0028571428571429
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
57.935751292 ± 0.000001237 Da
g-factor
2.022 ± 0.004
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
58.933193524 ± 0.000000426 Da
g-factor
natural abundance
100
Illanchaykuystable isotope
Kuskan ismuykuy mit'aNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
0.42 ± 0.03
time of discovery or invention1923
parity-

60Co

mass number60
neutron number33
relative atomic mass
59.933815536 ± 0.000000433 Da
g-factor
0.7598 ± 0.0016
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
60.932476031 ± 0.000000901 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
61.934058198 ± 0.00001994 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
62.93359963 ± 0.000019941 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
63.935810176 ± 0.000021476 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
64.936462071 ± 0.000002235 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
65.939442943 ± 0.000015 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
66.940609625 ± 0.000006917 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
67.944559401 ± 0.000004142 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
68.945909 ± 0.000092 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
69.9500534 ± 0.0000118 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
70.952366923 ± 0.00049923 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
71.956736 ± 0.000322 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
72.959238 ± 0.000322 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
73.963993 ± 0.000429 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
74.967192 ± 0.000429 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
75.972453 ± 0.000537 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
76.976479 ± 0.000644 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
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
77.983553 ± 0.000751 Da
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin
nuclear quadrupole moment
time of discovery or invention2017
parity

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

wiñay kawsay

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

source

Abundance
Abundance in Earth's crust
natural abundance (Mama qucha)
0.00002 mg/L
natural abundance (human body)
0.000002 %
natural abundance (meteoroid)
0.059 %
natural abundance (Inti)
0.0004 %
Abundance in Universe
0.0003 %

Nuclear Screening Constants

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