Kobalt (Co)

chemical element with symbol Co and atomic number 27

Atomski broj	27
Relativna atomska masa	58.933194
Maseni broj	59

Skupina	9
Perioda	4
Blok	d

proton	27 p⁺
neutron	32 n⁰
elektron	27 e^-

Animated Bohrov model atoma of Co (Kobalt)

Physical Property

Atomski Radijus	135 pm 233 pm
Molni volumen	6,7 cm³/mol
Kovalentni Radijus	111 pm 103 pm 96 pm 137 pm 138 pm
Metallic Radius	116 pm 125 pm
Ionski radijus	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
gustoća	8,86 g/cm³ 7.750 kg/m³

Kemijsko Svojstvo

energija

proton affinity	742,7 kJ/mol
Elektronski afinitet	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

Toplina isparivanja	389,1 kJ/mol
toplina taljenja	15,48 kJ/mol
standard enthalpy of formation	426,7 kJ/mol
elektron

Elektronska ljuska	2, 8, 15, 2

valence electron	2 ⓘ

electron configuration	[Ar] 3d⁷ 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s²

Oksidacijski broj	-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost	10,86 eV/particle 0.1432363 1.88
Electrophilicity Index	1,2638504937543713 eV/particle
fundamental state of matter

agregatno stanje	Čvrsto
gaseous state of matter
Vrelište	3.200,15 K
Talište	1.768,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Siva #ff1493 #f090a0 #f090a0
appearance	hard lustrous gray metal
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost	100 W/(m K)
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
type	Conductor
electrical conductivity	17 MS/m
Električna otpornost i provodnost	0,00000006000000000002 m Ω
Supravodljivost
Magnetizam
type	ferromagnetic
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura	1.394 K
Néel temperature
struktura
Kristalna struktura	Jednostavna heksagonska (HEX)
lattice constant	2,51 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Tvrdoća	700 MPa 5 MPa 1.043 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
Kategorija	Prijelazni metali, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number	70
Mendeleev Number	63
Pettifor Number	64
Geochemical Class	first series transition metal
Goldschmidt classification	siderophile

other

Gas Basicity	719,8 kJ/mol
polarizability	55 ± 4 a₀
C6 Dispersion Coefficient	408 a₀ 461 a₀
allotrope
Nuklearni udarni presjek	37,2
Neutron Mass Absorption	0,021
Kvantni brojevi	4F9/2
space group	194 (P63/mmc)

Isotopes of Cobalt

Stabilni izotopi	1
Nestabilni izotopi	31
Natural Isotopes	1

⁴⁷Co

Maseni broj	47
neutron number	20
Relativna atomska masa	47,011401 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	-

decay mode	intensity
p (proton emission)

⁴⁸Co

Maseni broj	48
neutron number	21
Relativna atomska masa	48,001857 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	+

decay mode	intensity
p (proton emission)

⁴⁹Co

Maseni broj	49
neutron number	22
Relativna atomska masa	48,989501 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	-

decay mode	intensity
p (proton emission)

⁵⁰Co

Maseni broj	50
neutron number	23
Relativna atomska masa	49,981117 ± 0,000135 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	38,8 ± 0,2 ms
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost	+

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

⁵¹Co

Maseni broj	51
neutron number	24
Relativna atomska masa	50,970647 ± 0,000052 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	68,8 ± 1,9 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost	-

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

⁵²Co

Maseni broj	52
neutron number	25
Relativna atomska masa	51,963130224 ± 0,000005669 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	111,7 ± 2,1 ms
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost	+

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

⁵³Co

Maseni broj	53
neutron number	26
Relativna atomska masa	52,954203278 ± 0,000001854 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	244,6 ± 2,8 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1970
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁴Co

Maseni broj	54
neutron number	27
Relativna atomska masa	53,948459075 ± 0,00000038 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	193,27 ± 0,06 ms
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1952
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁵Co

Maseni broj	55
neutron number	28
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
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1938
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁶Co

Maseni broj	56
neutron number	29
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
spin	4
nuclear quadrupole moment	0,25 ± 0,09
vrijeme otkrića ili izuma	1941
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁷Co

Maseni broj	57
neutron number	30
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
spin	7/2
nuclear quadrupole moment	0,54 ± 0,1
vrijeme otkrića ili izuma	1941
Parnost	-

decay mode	intensity
ϵ (electron capture)	100%

⁵⁸Co

Maseni broj	58
neutron number	31
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
spin	2
nuclear quadrupole moment	0,23 ± 0,03
vrijeme otkrića ili izuma	1941
Parnost	+

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

⁵⁹Co

Maseni broj	59
neutron number	32
Relativna atomska masa	58,933193524 ± 0,000000426 Da
g-factor
natural abundance	100
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	7/2
nuclear quadrupole moment	0,42 ± 0,03
vrijeme otkrića ili izuma	1923
Parnost	-

⁶⁰Co

Maseni broj	60
neutron number	33
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
spin	5
nuclear quadrupole moment	0,46 ± 0,06
vrijeme otkrića ili izuma	1941
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶¹Co

Maseni broj	61
neutron number	34
Relativna atomska masa	60,932476031 ± 0,000000901 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,649 ± 0,005 h
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1947
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶²Co

Maseni broj	62
neutron number	35
Relativna atomska masa	61,934058198 ± 0,00001994 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,54 ± 0,1 m
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1949
Parnost

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶³Co

Maseni broj	63
neutron number	36
Relativna atomska masa	62,93359963 ± 0,000019941 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	26,9 ± 0,4 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1960
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁴Co

Maseni broj	64
neutron number	37
Relativna atomska masa	63,935810176 ± 0,000021476 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	300 ± 30 ms
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1969
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁵Co

Maseni broj	65
neutron number	38
Relativna atomska masa	64,936462071 ± 0,000002235 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,16 ± 0,03 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁶Co

Maseni broj	66
neutron number	39
Relativna atomska masa	65,939442943 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	194 ± 17 ms
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1985
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁷Co

Maseni broj	67
neutron number	40
Relativna atomska masa	66,940609625 ± 0,000006917 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	329 ± 28 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1985
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁸Co

Maseni broj	68
neutron number	41
Relativna atomska masa	67,944559401 ± 0,000004142 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	200 ± 20 ms
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1985
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁹Co

Maseni broj	69
neutron number	42
Relativna atomska masa	68,945909 ± 0,000092 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	180 ± 20 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1985
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁷⁰Co

Maseni broj	70
neutron number	43
Relativna atomska masa	69,9500534 ± 0,0000118 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	508 ± 7 ms
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1998
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷¹Co

Maseni broj	71
neutron number	44
Relativna atomska masa	70,952366923 ± 0,00049923 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	80 ± 3 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1992
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3%

⁷²Co

Maseni broj	72
neutron number	45
Relativna atomska masa	71,956736 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	51,5 ± 0,3 ms
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma	1992
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	4%
2n (2-neutron emission)

⁷³Co

Maseni broj	73
neutron number	46
Relativna atomska masa	72,959238 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	42 ± 0,8 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1995
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6%
2n (2-neutron emission)

⁷⁴Co

Maseni broj	74
neutron number	47
Relativna atomska masa	73,963993 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	31,3 ± 1,3 ms
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1995
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	18%
2n (2-neutron emission)

⁷⁵Co

Maseni broj	75
neutron number	48
Relativna atomska masa	74,967192 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	26,5 ± 1,2 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1995
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	16%
2n (2-neutron emission)

⁷⁶Co

Maseni broj	76
neutron number	49
Relativna atomska masa	75,972453 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	23 ± 6 ms
spin	8
nuclear quadrupole moment
vrijeme otkrića ili izuma	2010
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷⁷Co

Maseni broj	77
neutron number	50
Relativna atomska masa	76,976479 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	15 ± 6 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2014
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)
3n (3-neutron emission)

⁷⁸Co

Maseni broj	78
neutron number	51
Relativna atomska masa	77,983553 ± 0,000751 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	2017
Parnost

decay mode	intensity
β⁻ (β⁻ decay)

povijest

otkrio/izumio	George Brandt
location of discovery	Sweden
vrijeme otkrića ili izuma	1739
Etimologija	German: kobold (goblin).
pronunciation	KO-bolt (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori	25 mg/kg
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

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

Kobalt on ChemicalAid

AGROVOC ID	c_1702
Art & Architecture Thesaurus ID	300221155
Australian Educational Vocabulary ID	scot/3511
BNCF Thesaurus ID	22939
BNF	119794179
Brockhaus Enzyklopädie online ID	kobalt
CAB ID	105528
CA PROP 65 ID	cobalt-metal-powder
CAS registarski broj	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 Universalis ID	cobalt
EuroVoc ID	6018
Freebase ID	/m/025tkrf
French Vikidia ID	Cobalt
GEMET ID	1532
GND identifikator	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
ID oznaka u mrežnoj enciklopediji Britannici	science/cobalt-chemical-element
IEDB Epitope ID	114073
InChIKey	GUTLYIVDDKVIGB-UHFFFAOYSA-N
KBpedia ID	Cobalt
LCCN	sh85027513
Latvian National Encyclopedia Online ID	112080
MeSH ID	D003035
NALT ID	27388
NDF-RT ID	N0000022936
NDL ID	00566072
NKCR broj	ph543047
National Library of Israel J9U ID	987007284052205171
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
značenje prema OmegaWiki	645

Kobalt (Co)

Physical Property

Kemijsko Svojstvo

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

povijest

source

Nuclear Screening Constants

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