Kobalts (Co)

chemical element with symbol Co and atomic number 27

Atomic Number	27
Atomic Weight	58.933194
Masas skaitlis	59

Group	9
Period	4
Block	d

protons	27 p⁺
neitrons	32 n⁰
elektrons	27 e^-

Animated Bora atoma struktūras modelis of Co (Kobalts)

Fizikāla Īpašība

Atoma Rādiuss	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
blīvums	8,86 g/cm³ 7 750 kg/m³

Chemical Property

enerģija

proton affinity	742,7 kJ/mol
Elektrontieksme	0,66225646 eV/particle
jonizācijas potenciāls	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

enthalpy of vaporization	389,1 kJ/mol
enthalpy of fusion	15,48 kJ/mol
standard enthalpy of formation	426,7 kJ/mol
elektrons

electron shell	2, 8, 15, 2

vērtības elektrons	2 ⓘ

elektronu konfigurācija	[Ar] 3d⁷ 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s²

Oksidēšanas pakāpe	-3, -1, 0, 1, 2, 3, 4, 5
elektronegativitāte	10,86 eV/particle 0.1432363 1.88
Electrophilicity Index	1,2638504937543713 eV/particle
fundamentālais agregātstāvoklis

agregātstāvoklis	Solid
gaseous state of matter
Boiling Point	3 200,15 K
Melting Point	1 768,15 K
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa	Gray #ff1493 #f090a0 #f090a0
appearance	hard lustrous gray metal
Laušanas koeficients
thermodynamic material property
Thermal Conductivity	100 W/(m K)
Termiskā izplešanās	0,000013 1/K
Molārā siltumietilpība	24,81 J/(mol K)
Specific Heat Capacity	0,421 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	17 MS/m
īpatnējā pretestība	0,00000006000000000002 Ω*m
Supravadītspēja
Magnētisms
type	ferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature	1 394 K
Néel temperature
struktūra
Crystal Structure	Simple Hexagonal (HEX)
lattice constant	2,51 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Cietība	700 MPa 5 MPa 1 043 MPa
tilpuma elastības modulis	180 GPa
shear modulus	75 GPa
Junga modulis	209 GPa
Poisson's ratio	0,31
skaņas ātrums	4 720 m/s
klasifikācija
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 classification	siderophile

other

Gas Basicity	719,8 kJ/mol
polarizability	55 ± 4 a₀
C6 Dispersion Coefficient	408 a₀ 461 a₀
allotrope
Neutron cross section	37,2
Neutron Mass Absorption	0,021
quantum number	4F9/2
space group	194 (P63/mmc)

Isotopes of Cobalt

Stable Isotopes	1
Unstable Isotopes	31
Natural Isotopes	1

⁴⁷Co

Masas skaitlis	47
neutron number	20
Relative Atomic Mass	47,011401 ± 0,000644 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	7/2
nuclear quadrupole moment
atklāšanas datums
parity	-

decay mode	intensity
p (proton emission)

⁴⁸Co

Masas skaitlis	48
neutron number	21
Relative Atomic Mass	48,001857 ± 0,000537 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	6
nuclear quadrupole moment
atklāšanas datums
parity	+

decay mode	intensity
p (proton emission)

⁴⁹Co

Masas skaitlis	49
neutron number	22
Relative Atomic Mass	48,989501 ± 0,000537 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	7/2
nuclear quadrupole moment
atklāšanas datums
parity	-

decay mode	intensity
p (proton emission)

⁵⁰Co

Masas skaitlis	50
neutron number	23
Relative Atomic Mass	49,981117 ± 0,000135 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	38,8 ± 0,2 ms
spins	6
nuclear quadrupole moment
atklāšanas datums	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

Masas skaitlis	51
neutron number	24
Relative Atomic Mass	50,970647 ± 0,000052 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	68,8 ± 1,9 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1987
parity	-

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

⁵²Co

Masas skaitlis	52
neutron number	25
Relative Atomic Mass	51,963130224 ± 0,000005669 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	111,7 ± 2,1 ms
spins	6
nuclear quadrupole moment
atklāšanas datums	1987
parity	+

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

⁵³Co

Masas skaitlis	53
neutron number	26
Relative Atomic Mass	52,954203278 ± 0,000001854 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	244,6 ± 2,8 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1970
parity	-

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

⁵⁴Co

Masas skaitlis	54
neutron number	27
Relative Atomic Mass	53,948459075 ± 0,00000038 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	193,27 ± 0,06 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1952
parity	+

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

⁵⁵Co

Masas skaitlis	55
neutron number	28
Relative Atomic Mass	54,941996416 ± 0,000000434 Da
g-factor	1,3777142857143 ± 0,00085714285714286
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	17,53 ± 0,03 h
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1938
parity	-

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

⁵⁶Co

Masas skaitlis	56
neutron number	29
Relative Atomic Mass	55,939838032 ± 0,00000051 Da
g-factor	0,9625 ± 0,0025
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	77,236 ± 0,026 d
spins	4
nuclear quadrupole moment	0,25 ± 0,09
atklāšanas datums	1941
parity	+

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

⁵⁷Co

Masas skaitlis	57
neutron number	30
Relative Atomic Mass	56,936289819 ± 0,000000553 Da
g-factor	1,3485714285714 ± 0,0028571428571429
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	271,811 ± 0,032 d
spins	7/2
nuclear quadrupole moment	0,54 ± 0,1
atklāšanas datums	1941
parity	-

decay mode	intensity
ϵ (electron capture)	100%

⁵⁸Co

Masas skaitlis	58
neutron number	31
Relative Atomic Mass	57,935751292 ± 0,000001237 Da
g-factor	2,022 ± 0,004
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	70,844 ± 0,02 d
spins	2
nuclear quadrupole moment	0,23 ± 0,03
atklāšanas datums	1941
parity	+

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

⁵⁹Co

Masas skaitlis	59
neutron number	32
Relative Atomic Mass	58,933193524 ± 0,000000426 Da
g-factor
natural abundance	100
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	7/2
nuclear quadrupole moment	0,42 ± 0,03
atklāšanas datums	1923
parity	-

⁶⁰Co

Masas skaitlis	60
neutron number	33
Relative Atomic Mass	59,933815536 ± 0,000000433 Da
g-factor	0,7598 ± 0,0016
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	5,2714 ± 0,0006 y
spins	5
nuclear quadrupole moment	0,46 ± 0,06
atklāšanas datums	1941
parity	+

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

⁶¹Co

Masas skaitlis	61
neutron number	34
Relative Atomic Mass	60,932476031 ± 0,000000901 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,649 ± 0,005 h
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1947
parity	-

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

⁶²Co

Masas skaitlis	62
neutron number	35
Relative Atomic Mass	61,934058198 ± 0,00001994 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,54 ± 0,1 m
spins	2
nuclear quadrupole moment
atklāšanas datums	1949
parity

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

⁶³Co

Masas skaitlis	63
neutron number	36
Relative Atomic Mass	62,93359963 ± 0,000019941 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	26,9 ± 0,4 s
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1960
parity	-

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

⁶⁴Co

Masas skaitlis	64
neutron number	37
Relative Atomic Mass	63,935810176 ± 0,000021476 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	300 ± 30 ms
spins	1
nuclear quadrupole moment
atklāšanas datums	1969
parity	+

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

⁶⁵Co

Masas skaitlis	65
neutron number	38
Relative Atomic Mass	64,936462071 ± 0,000002235 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,16 ± 0,03 s
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1978
parity

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

⁶⁶Co

Masas skaitlis	66
neutron number	39
Relative Atomic Mass	65,939442943 ± 0,000015 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	194 ± 17 ms
spins	1
nuclear quadrupole moment
atklāšanas datums	1985
parity	+

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

⁶⁷Co

Masas skaitlis	67
neutron number	40
Relative Atomic Mass	66,940609625 ± 0,000006917 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	329 ± 28 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1985
parity	-

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

⁶⁸Co

Masas skaitlis	68
neutron number	41
Relative Atomic Mass	67,944559401 ± 0,000004142 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	200 ± 20 ms
spins	7
nuclear quadrupole moment
atklāšanas datums	1985
parity	-

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

⁶⁹Co

Masas skaitlis	69
neutron number	42
Relative Atomic Mass	68,945909 ± 0,000092 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	180 ± 20 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1985
parity	-

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

⁷⁰Co

Masas skaitlis	70
neutron number	43
Relative Atomic Mass	69,9500534 ± 0,0000118 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	508 ± 7 ms
spins	1
nuclear quadrupole moment
atklāšanas datums	1998
parity	+

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

⁷¹Co

Masas skaitlis	71
neutron number	44
Relative Atomic Mass	70,952366923 ± 0,00049923 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	80 ± 3 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1992
parity	-

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

⁷²Co

Masas skaitlis	72
neutron number	45
Relative Atomic Mass	71,956736 ± 0,000322 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	51,5 ± 0,3 ms
spins	6
nuclear quadrupole moment
atklāšanas datums	1992
parity	-

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

⁷³Co

Masas skaitlis	73
neutron number	46
Relative Atomic Mass	72,959238 ± 0,000322 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	42 ± 0,8 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1995
parity	-

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

⁷⁴Co

Masas skaitlis	74
neutron number	47
Relative Atomic Mass	73,963993 ± 0,000429 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	31,3 ± 1,3 ms
spins	7
nuclear quadrupole moment
atklāšanas datums	1995
parity	-

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

⁷⁵Co

Masas skaitlis	75
neutron number	48
Relative Atomic Mass	74,967192 ± 0,000429 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	26,5 ± 1,2 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1995
parity	-

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

⁷⁶Co

Masas skaitlis	76
neutron number	49
Relative Atomic Mass	75,972453 ± 0,000537 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	23 ± 6 ms
spins	8
nuclear quadrupole moment
atklāšanas datums	2010
parity	-

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

⁷⁷Co

Masas skaitlis	77
neutron number	50
Relative Atomic Mass	76,976479 ± 0,000644 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	15 ± 6 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	2014
parity	-

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

⁷⁸Co

Masas skaitlis	78
neutron number	51
Relative Atomic Mass	77,983553 ± 0,000751 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums	2017
parity

decay mode	intensity
β⁻ (β⁻ decay)

vēsture

atklājējs vai izgudrotājs	George Brandt
atraduma atrašanās vieta	Sweden
atklāšanas datums	1739
Etimoloģija	German: kobold (goblin).
izruna	KO-bolt (angļu)

avots

Abundance
Abundance in Earth's crust	25 mg/kg
natural abundance (okeāns)	0,00002 mg/L
natural abundance (cilvēka ķermenis)	0,000002 %
natural abundance (meteoroīds)	0,059 %
natural abundance (Saule)	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

Kobalts on ChemicalAid

AAT ID	300221155
AGROVOC ID	c_1702
Austrālijas Izglītības vārdnīcas identifikators	scot/3511
BNCF	22939
BNF kods	119794179
Brockhaus Enzyklopädie online ID	kobalt
CAB ID	105528
CA PROP 65 ID	cobalt-metal-powder
CAS reģistrācijas numurs	7440-48-4
CPV Supplementary	AA16
Canadian Encyclopedia article ID	cobalt
ChEBI ID	27638
Common Procurement Vocabulary	14733000
DSSTOX compound identifier	DTXCID9011040
DSSTox identifikators	DTXSID1031040
Drugbank ID	14574
ECHA Substance Infocard ID	100.028.325
Encyclopædia Britannica tiešsaistes ID	science/cobalt-chemical-element
Encyclopædia Universalis ID	cobalt
EuroVoc ID	6018
Freebase identifikators	/m/025tkrf
French Vikidia ID	Cobalt
GEMET ID	1532
GND identifikators	4070047-1
Golden ID	Cobalt-RGEZNX
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
Krievijas Lielās enciklopēdijas tiešsaistes kods	2075823
LCCN identifikators	sh85027513
Latvijas Nacionālās enciklopēdijas tiešsaistes ID	112080
MeSH ID	D003035
NALT ID	27388
NDF-RT ID	N0000022936
NDL identifikators	00566072
NKC identifikators	ph543047
National Library of Israel J9U ID	987007284052205171
OmegaWiki definētā nozīme	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

Kobalts (Co)

Fizikāla Īpašība

Chemical Property

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

vēsture

avots

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