Cobalt (Co)

Cobalt is the 27th element in the periodic table and has a symbol of Co and atomic number of 27. It has an atomic weight of 58.93319 and a mass number of 59. Cobalt has twenty-seven protons and thirty-two neutrons in its nucleus, and twenty-seven electrons in four shells. It is located in group nine, period four and block d of the periodic table. Light grey transition element. Some meteorites contain small amounts of metallic cobalt. Generally alloyed for use. Mammals require small amounts of cobalt salts. Cobalt-60, an artificially produced radioactive isotope of Cobalt is an important radioactive tracer and cancer-treatment agent. Discovered by G. Brandt in 1737.

Atomic Number	27
Atomic Weight	58.933194
Mass Number	59

Group	9
Period	4
Block	d

Protons	27 p⁺
Neutrons	32 n⁰
Electrons	27 e^-

Physical Properties

Atomic Radius	135 pm 233 pm
Molar Volume	6.7 cm³/mol
Covalent Radius	111 pm 103 pm 96 pm 137 pm 138 pm
Metallic Radius	116 pm 125 pm
Ionic Radius	58 pm 67 pm 65 pm 74.5 pm 90 pm 54.5 pm 61 pm 40 pm 53 pm
Crystal Radius	72 pm 81 pm 79 pm 88.5 pm 104 pm 68.5 pm 75 pm 54 pm 67 pm
Van der Waals Radius	200 pm 200 pm 223 pm 287.2 pm
Density	8.86 g/cm³ 7,750 kg/m³

Chemical Properties

Energy

Proton Affinity	742.7 kJ/mol
Electron Affinity	0.66225646 eV/particle
Ionization Energy	7.88101 eV/particle 17.0844 eV/particle 33.5 eV/particle 51.27 eV/particle 79.5 eV/particle 102 eV/particle 129 eV/particle 157.8 eV/particle 186.14 eV/particle 275.4 eV/particle 305.32 eV/particle 336.15 eV/particle 378.55 eV/particle 410 eV/particle 441.1 eV/particle 511.96 eV/particle 546.588 eV/particle 1,397.2 eV/particle 1,504.5 eV/particle 1,606 eV/particle 1,724 eV/particle 1,844 eV/particle 1,960.83 eV/particle 2,119.4 eV/particle 2,218.876 eV/particle 9,544.183 eV/particle 10,012.122 eV/particle

Heat of Vaporization	389.1 kJ/mol
Heat of Fusion	15.48 kJ/mol
Heat of Formation	426.7 kJ/mol
Electrons

Electron Shells	2, 8, 15, 2

Valence Electrons	2 ⓘ

Electron Configuration	[Ar] 3d⁷ 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s²

Oxidation States	-3, -1, 0, 1, 2, 3, 4, 5
Electronegativity	10.86 eV/particle 0.1432363 1.88
Electrophilicity Index	1.2638504937543713 eV/particle
States of Matter

Phase	Solid
Gas Phase
Boiling Point	3,200.15 K
Melting Point	1,768.15 K
Critical Pressure
Critical Temperature
Triple Point
Visual
Cobalt is a Gray. Co has a CPK of #ff1493, Jmol of #f090a0, and MOLCAS GV of #f090a0. The Appearance of Element 27 is hard lustrous gray metal.
Color	Gray #ff1493 #f090a0 #f090a0
Appearance	hard lustrous gray metal
Refractive Index
Thermodynamic Properties
Thermal Conductivity	100 W/(m K)
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 (Adiabatic Index)
Electrical Properties
Type	Conductor
Electrical Conductivity	17 MS/m
Electrical Resistivity	0.00000006000000000002 Ω*m
Superconducting Point
Magnetism
Type	ferromagnetic
Magnetic Susceptibility (Mass)
Magnetic Susceptibility (Molar)
Magnetic Susceptibility (Volume)
Magnetic Ordering
Curie Point	1,394 K
Neel Point
Structure
The Crystal Structure of Cobalt is HEX. The lattice constant of Co is 2.51 Å. The lattice angles of Element 27 are π/2, π/2, 2 π/3.
Crystal Structure	Simple Hexagonal (HEX)
Lattice Constant	2.51 Å
Lattice Angles	π/2, π/2, 2 π/3
Mechanical Properties
Cobalt has a Brinell of 700 MPa, Mohs hardness of 5 MPa, and Vickers of 1043 MPa. The Bulk Modulus of Co is 180 GPa. The Shear Modulus of Element 27 is 75 GPa. The Young Modulus of Cobalt (Co) is 209 GPa. The Poisson Ratio of Cobalt is 0.31. The Speed of Sound of Co is 4720 m/s.
Hardness	700 MPa 5 MPa 1,043 MPa
Bulk Modulus	180 GPa
Shear Modulus	75 GPa
Young's Modulus	209 GPa
Poisson Ratio	0.31
Speed of Sound	4,720 m/s
Classification
The CAS Group of Cobalt is VIIIA. The IUPAC Group of Co is VIII. The Glawe Number of Element 27 is 70. The Mendeleev Number of Cobalt (Co) is 63. The Pettifor Number of Cobalt is 64. The Geochemical Class of Co is first series transition metal. The Goldschmidt Class of Element 27 is siderophile.
Category	Transition metals, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number	70
Mendeleev Number	63
Pettifor Number	64
Geochemical Class	first series transition metal
Goldschmidt Class	siderophile

Other

The Gas Basicity of Cobalt is 719.8 kJ/mol. The Dipole Polarizability of Co is 55 plus or minus 4 a₀. Element 27 has a C6 Dispersion Coefficient (CD) of 408 a₀, and C6 Dispersion Coefficient (GB) of 461 a₀. The Allotropes of Cobalt (Co) is . The Neutron Cross Section of Cobalt is 37.2. The Neutron Mass Absorption of Co is 0.021. The Quantum Numbers of Element 27 is 4F9/2. The Space Group of Cobalt (Co) is 194 (P63/mmc).

Gas Basicity	719.8 kJ/mol
Dipole Polarizability	55 ± 4 a₀
C6 Dispersion Coefficient	408 a₀ 461 a₀
Allotropes
Neutron Cross Section	37.2
Neutron Mass Absorption	0.021
Quantum Numbers	4F9/2
Space Group	194 (P63/mmc)

Isotopes of Cobalt

Stable Isotopes	1
Unstable Isotopes	31
Natural Isotopes	1

⁴⁷Co

Mass Number	47
Neutron Number	20
Relative Atomic Mass	47.011401 ± 0.000644 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life
Spin	7/2
Quadrupole Moment
Discovery Year
Parity	-

Decay Mode	Intensity
p (proton emission)

⁴⁸Co

Mass Number	48
Neutron Number	21
Relative Atomic Mass	48.001857 ± 0.000537 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life
Spin	6
Quadrupole Moment
Discovery Year
Parity	+

Decay Mode	Intensity
p (proton emission)

⁴⁹Co

Mass Number	49
Neutron Number	22
Relative Atomic Mass	48.989501 ± 0.000537 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life
Spin	7/2
Quadrupole Moment
Discovery Year
Parity	-

Decay Mode	Intensity
p (proton emission)

⁵⁰Co

Mass Number	50
Neutron Number	23
Relative Atomic Mass	49.981117 ± 0.000135 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	38.8 ± 0.2 ms
Spin	6
Quadrupole Moment
Discovery Year	1987
Parity	+

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

⁵¹Co

Mass Number	51
Neutron Number	24
Relative Atomic Mass	50.970647 ± 0.000052 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	68.8 ± 1.9 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1987
Parity	-

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

⁵²Co

Mass Number	52
Neutron Number	25
Relative Atomic Mass	51.963130224 ± 0.000005669 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	111.7 ± 2.1 ms
Spin	6
Quadrupole Moment
Discovery Year	1987
Parity	+

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

⁵³Co

Mass Number	53
Neutron Number	26
Relative Atomic Mass	52.954203278 ± 0.000001854 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	244.6 ± 2.8 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1970
Parity	-

Decay Mode	Intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁴Co

Mass Number	54
Neutron Number	27
Relative Atomic Mass	53.948459075 ± 0.00000038 Da
G-Factor	0
Abundance
Radioactivity	☢️ Radioactive
Half Life	193.27 ± 0.06 ms
Spin	0
Quadrupole Moment	0
Discovery Year	1952
Parity	+

Decay Mode	Intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁵Co

Mass Number	55
Neutron Number	28
Relative Atomic Mass	54.941996416 ± 0.000000434 Da
G-Factor	1.3777142857143 ± 0.00085714285714286
Abundance
Radioactivity	☢️ Radioactive
Half Life	17.53 ± 0.03 h
Spin	7/2
Quadrupole Moment
Discovery Year	1938
Parity	-

Decay Mode	Intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁶Co

Mass Number	56
Neutron Number	29
Relative Atomic Mass	55.939838032 ± 0.00000051 Da
G-Factor	0.9625 ± 0.0025
Abundance
Radioactivity	☢️ Radioactive
Half Life	77.236 ± 0.026 d
Spin	4
Quadrupole Moment	0.25 ± 0.09
Discovery Year	1941
Parity	+

Decay Mode	Intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁷Co

Mass Number	57
Neutron Number	30
Relative Atomic Mass	56.936289819 ± 0.000000553 Da
G-Factor	1.3485714285714 ± 0.0028571428571429
Abundance
Radioactivity	☢️ Radioactive
Half Life	271.811 ± 0.032 d
Spin	7/2
Quadrupole Moment	0.54 ± 0.1
Discovery Year	1941
Parity	-

Decay Mode	Intensity
ϵ (electron capture)	100%

⁵⁸Co

Mass Number	58
Neutron Number	31
Relative Atomic Mass	57.935751292 ± 0.000001237 Da
G-Factor	2.022 ± 0.004
Abundance
Radioactivity	☢️ Radioactive
Half Life	70.844 ± 0.02 d
Spin	2
Quadrupole Moment	0.23 ± 0.03
Discovery Year	1941
Parity	+

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

⁵⁹Co

Mass Number	59
Neutron Number	32
Relative Atomic Mass	58.933193524 ± 0.000000426 Da
G-Factor
Abundance	100
Radioactivity	Stable
Half Life	Not Radioactive ☢️
Spin	7/2
Quadrupole Moment	0.42 ± 0.03
Discovery Year	1923
Parity	-

⁶⁰Co

Mass Number	60
Neutron Number	33
Relative Atomic Mass	59.933815536 ± 0.000000433 Da
G-Factor	0.7598 ± 0.0016
Abundance
Radioactivity	☢️ Radioactive
Half Life	5.2714 ± 0.0006 y
Spin	5
Quadrupole Moment	0.46 ± 0.06
Discovery Year	1941
Parity	+

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶¹Co

Mass Number	61
Neutron Number	34
Relative Atomic Mass	60.932476031 ± 0.000000901 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	1.649 ± 0.005 h
Spin	7/2
Quadrupole Moment
Discovery Year	1947
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶²Co

Mass Number	62
Neutron Number	35
Relative Atomic Mass	61.934058198 ± 0.00001994 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	1.54 ± 0.1 m
Spin	2
Quadrupole Moment
Discovery Year	1949
Parity

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶³Co

Mass Number	63
Neutron Number	36
Relative Atomic Mass	62.93359963 ± 0.000019941 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	26.9 ± 0.4 s
Spin	7/2
Quadrupole Moment
Discovery Year	1960
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶⁴Co

Mass Number	64
Neutron Number	37
Relative Atomic Mass	63.935810176 ± 0.000021476 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	300 ± 30 ms
Spin	1
Quadrupole Moment
Discovery Year	1969
Parity	+

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶⁵Co

Mass Number	65
Neutron Number	38
Relative Atomic Mass	64.936462071 ± 0.000002235 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	1.16 ± 0.03 s
Spin	7/2
Quadrupole Moment
Discovery Year	1978
Parity

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%

⁶⁶Co

Mass Number	66
Neutron Number	39
Relative Atomic Mass	65.939442943 ± 0.000015 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	194 ± 17 ms
Spin	1
Quadrupole Moment
Discovery Year	1985
Parity	+

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁷Co

Mass Number	67
Neutron Number	40
Relative Atomic Mass	66.940609625 ± 0.000006917 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	329 ± 28 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1985
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁸Co

Mass Number	68
Neutron Number	41
Relative Atomic Mass	67.944559401 ± 0.000004142 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	200 ± 20 ms
Spin	7
Quadrupole Moment
Discovery Year	1985
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁹Co

Mass Number	69
Neutron Number	42
Relative Atomic Mass	68.945909 ± 0.000092 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	180 ± 20 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1985
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁷⁰Co

Mass Number	70
Neutron Number	43
Relative Atomic Mass	69.9500534 ± 0.0000118 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	508 ± 7 ms
Spin	1
Quadrupole Moment
Discovery Year	1998
Parity	+

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷¹Co

Mass Number	71
Neutron Number	44
Relative Atomic Mass	70.952366923 ± 0.00049923 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	80 ± 3 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1992
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3%

⁷²Co

Mass Number	72
Neutron Number	45
Relative Atomic Mass	71.956736 ± 0.000322 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	51.5 ± 0.3 ms
Spin	6
Quadrupole Moment
Discovery Year	1992
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	4%
2n (2-neutron emission)

⁷³Co

Mass Number	73
Neutron Number	46
Relative Atomic Mass	72.959238 ± 0.000322 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	42 ± 0.8 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1995
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6%
2n (2-neutron emission)

⁷⁴Co

Mass Number	74
Neutron Number	47
Relative Atomic Mass	73.963993 ± 0.000429 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	31.3 ± 1.3 ms
Spin	7
Quadrupole Moment
Discovery Year	1995
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	18%
2n (2-neutron emission)

⁷⁵Co

Mass Number	75
Neutron Number	48
Relative Atomic Mass	74.967192 ± 0.000429 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	26.5 ± 1.2 ms
Spin	7/2
Quadrupole Moment
Discovery Year	1995
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	16%
2n (2-neutron emission)

⁷⁶Co

Mass Number	76
Neutron Number	49
Relative Atomic Mass	75.972453 ± 0.000537 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	23 ± 6 ms
Spin	8
Quadrupole Moment
Discovery Year	2010
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷⁷Co

Mass Number	77
Neutron Number	50
Relative Atomic Mass	76.976479 ± 0.000644 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life	15 ± 6 ms
Spin	7/2
Quadrupole Moment
Discovery Year	2014
Parity	-

Decay Mode	Intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)
3n (3-neutron emission)

⁷⁸Co

Mass Number	78
Neutron Number	51
Relative Atomic Mass	77.983553 ± 0.000751 Da
G-Factor
Abundance
Radioactivity	☢️ Radioactive
Half Life
Spin
Quadrupole Moment
Discovery Year	2017
Parity

Decay Mode	Intensity
β⁻ (β⁻ decay)

History

Cobalt compounds have been used for centuries to impart a rich blue color to glass, glazes and ceramics. The element was first isolated by Swedish chemist George Brandt in 1735. He showed it was the presence of the element cobalt that caused the blue color in glass, not bismuth as previously thought. From the German word Kobald, goblin or evil spirit; also from the Greek cobalos, mine

Discoverers	George Brandt
Discovery Location	Sweden
Discovery Year	1739
Etymology (Name Origin)	German: kobold (goblin).
Pronunciation	KO-bolt (English)

Cobalt and its compounds are considered to be slightly toxic

Supplemental colbalt is essential in sheep's diets to improve the wools quality

Uses

Cobalt is used in the preparation of magnetic, wear-resistant and high-strength alloys. Cobalt is widely used in batteries and in electroplating. Radioactive ⁶⁰Co is used in the treatment of cancer. A solution of the chloride is used as a sympathetic ink. Used in many hard alloys; for magnets, ceramics and special glasses. Remains hard up to 982°C. Radioactive cobalt-60 is used in cancer therapy.

Sources

Occurs in compounds with arsenic, oxygen and sulfur as in cobaltine (CoAsS) and linneite (Co3S4). Pure cobalt is obtained as a byproduct of refining nickel, copper and iron.

Abundance
Abundance in Earth's crust	25 mg/kg
Natural Abundance (Oceans)	0.00002 mg/L
Natural Abundance (Human Body)	0.000002 %
Natural Abundance (Meteor)	0.059 %
Natural Abundance (Sun)	0.0004 %
Abundance in Universe	0.0003 %

Nuclear Screening Constants

1	s	0.6332
2	p	3.9076
2	s	7.595
3	d	15.1446
3	p	13.5654
3	s	12.6777
4	s	21.4236

Also Known As

Co
27Co
element 27

Translations

Italiancobalto
Norwegian Bokmålkobolt
GermanCobalt
Frenchcobalt
Dutchkobalt
Spanishcobalto
Chinese (Traditional)鈷
Afrikaanskobalt
Amharicኮባልት
AragoneseCobol
Arabicكوبالت
AsturianCobaltu
AzerbaijaniKobalt
BelarusianКобальт
Bulgarianкобалт
Banglaকোবাল্ট
BretonKobalt
Bosniankobalt
Catalancobalt
CorsicanCobaltu
Czechkobalt
ChuvashКобальт
WelshCobalt
Danishkobolt
Divehiކޮބާލްޓް
Greekκοβάλτιο
Esperantokobalto
EstonianKoobalt
Basquekobalto
Persianکبالت
Finnishkoboltti
FriulianCobalt
IrishCóbalt
GalicianCobalto
ManxCobalt
Hakka Chinesecobalt
Hebrewקובלט
Hindiकोबाल्ट
Fiji HindiCobalt
CroatianKobalt
Hungariankobalt
Armenianկոբալտ
Interlinguacobalt
Indonesiankobalt
Idokobalto
Icelandickóbolt
Japaneseコバルト
Lojbanridjinme
Georgianკობალტი
KazakhКобальт
Kannadaಕೋಬಾಲ್ಟ್
Korean코발트
KurdishKobalt
KomiКобальт
Latincobaltum
LuxembourgishKobalt
LigurianCobalto
LithuanianKobaltas
Latviankobalts
Macedonianкобалт
Malayalamകൊബാൾട്ട്
Marathiकोबाल्ट
Western MariКобальт
MalayKobalt
Burmeseကိုဘော့
Low GermanKobalt
Norwegian Nynorskkobolt
NavajoBéésh Łibáhí
OccitanCobalt
Punjabiਕੋਬਾਲਟ
Polishkobalt
Western Panjabiکوبالٹ
Portuguesecobalto
QuechuaKubaltu
Romaniancobalt
Russianкобальт
Serbo-CroatianKobalt
Slovakkobalt
Sloveniankobalt
AlbanianKobalti
Serbianкобалт
Saterland FrisianCobalt
Swedishkobolt
SwahiliKobalti
Tamilகோபால்ட்
Teluguకోబాల్ట్
TajikКобалт
Thaiโคบอลต์
TagalogKobalto
TurkishKobalt
Uyghurكوبالت
Ukrainianкобальт
Urduکوبالٹ
UzbekKobalt
VepsKobal't
Vietnamesecoban
WarayCobalto
KalmykКобалтион
Yiddishקאבאלט
YorubaCobalt
Chinese鈷
English (Canada)cobalt
English (United Kingdom)cobalt
Portuguese (Brazil)cobalto
Cantonese鈷
CebuanoKobalto
Central Kurdishکۆبالت
Northern FrisianKobalt
Odiaକୋବାଲ୍‌ଟ
Gujaratiકોબાલ્ટ
TatarКобальт
Mongolianкобальт
PiedmonteseCobalt
Scotscobalt
Newariकोबाल्ट
ErzyaКобальт
Sinhalaකොබෝල්ට්
SomaliKobalti
Literary Chinese鈷
Belarusian (Taraskievica orthography)Кобальт
Chinese (Hong Kong SAR China)鈷
Chinese (Taiwan)鈷
Chinese (China)钴
Chinese (Simplified)钴
AromanianCobaltu
Siciliancubbaltu
KyrgyzКобальт
cdoGū
LimburgishKobalt
Nepaliकोबल्ट
Sanskritकोबाल्ट
Maltesekobalt
LombardCobalto
Scottish GaelicCòbalt
Paliकोबाल्ट
Min Nan ChineseCobalt
azbکوبالت
Bhojpuriकोबाल्ट
Tibetanགོ་བྰལ་
SundaneseKobalt
WalloonCobal
oloKobal’tu
Lingua Franca Novacobalto
Wu Chinese钴
JavaneseKobalt
kbpKobalti
hywԿոբաղդ
SardinianCobaltu
Moroccan Arabicكوبالت
BashkirКобальт
Egyptian Arabicكوبالت
Pashtoکوبالټ
BikolKobalto
CornishKobalt
KotavaJil
BalineseKobalt
MalagasyKôbalta
Sindhiڪوبالٽ
blkကိုဘော့
ZuluUmConjambi

Cobalt on ChemicalAid

AGROVOC ID	c_1702
Art & Architecture Thesaurus ID	300221155
Australian Educational Vocabulary ID	scot/3511
BNCF Thesaurus ID	22939
Bibliothèque nationale de France ID	119794179
Brockhaus Enzyklopädie online ID	kobalt
CAB ID	105528
CA PROP 65 ID	cobalt-metal-powder
CAS Registry Number	7440-48-4
CPV Supplementary	AA16
Canadian Encyclopedia article ID	cobalt
ChEBI ID	27638
Common Procurement Vocabulary	14733000
DSSTOX compound identifier	DTXCID9011040
DSSTox substance ID	DTXSID1031040
DrugBank ID	14574
ECHA Substance Infocard ID	100.028.325
Encyclopædia Britannica Online ID	science/cobalt-chemical-element
Encyclopædia Universalis ID	cobalt
EuroVoc ID	6018
Freebase ID	/m/025tkrf
French Vikidia ID	Cobalt
GEMET ID	1532
GND ID	4070047-1
Golden ID	Cobalt-RGEZNX
Great Russian Encyclopedia Online ID	2075823
Grove Art Online ID	T2071458
HCIS ID	1033
HSDB ID	519
ICSC ID	0782
IEDB Epitope ID	114073
InChIKey	GUTLYIVDDKVIGB-UHFFFAOYSA-N
KBpedia ID	Cobalt
Latvian National Encyclopedia Online ID	112080
Library of Congress authority ID	sh85027513
MeSH descriptor ID	D003035
NALT ID	27388
NDF-RT ID	N0000022936
NDL Authority ID	00566072
NKCR AUT ID	ph543047
National Library of Israel J9U ID	987007284052205171
OmegaWiki Defined Meaning	645
OpenAlex ID	C515602321
PSH ID	5779
Probes And Drugs ID	PD094484
RxNorm ID	1310300
Spanish Cultural Heritage thesauri ID	materias/1010032
Spanish Vikidia ID	Cobalto
Store norske leksikon ID	kobolt
Treccani ID	cobalto
UK Parliament thesaurus ID	285732
UNII	3G0H8C9362
USGS Thesaurus ID	1433
WikiSkripta ID	30617
WordNet 3.1 Synset ID	14659468-n
YSO ID	15221
Yle topic ID	18-14370
ZVG number	7270

Cobalt (Co)

Physical Properties

Chemical Properties

Other

Isotopes of Cobalt

47Co

48Co

49Co

50Co

51Co

52Co

53Co

54Co

55Co

56Co

57Co

58Co

59Co

60Co

61Co

62Co

63Co

64Co

65Co

66Co

67Co

68Co

69Co

70Co

71Co

72Co

73Co

74Co

75Co

76Co

77Co

78Co