Nîkel (Ni)

chemical element with symbol Ni and atomic number 28

Atomic Number	28
Atomic Weight	58.6934
Hejmara baristeyî	58

Group	10
Period	4
Block	d

Proton	28 p⁺
Notron	30 n⁰
Kareva	28 e^-

Physical Property

Atomic Radius	135 pm 229 pm
molar volume	6,6 cm³/mol
Covalent Radius	110 pm 101 pm 101 pm 135 pm 124 pm
Metallic Radius	115 pm 124 pm
ionic radius	55 pm 49 pm 63 pm 69 pm 56 pm 60 pm 48 pm
Crystal Radius	69 pm 63 pm 77 pm 83 pm 70 pm 74 pm 62 pm
Van der Waals radius	200 pm 197 pm 222 pm 283,4 pm
density	8,9 g/cm³ 7.810 kg/m³

Chemical Property

wize

proton affinity	737 kJ/mol
electron affinity	1,156 eV/particle
ionization energy	7,639877 eV/particle 18,168837 eV/particle 35,19 eV/particle 54,9 eV/particle 76,06 eV/particle 108 eV/particle 132 eV/particle 162 eV/particle 193,2 eV/particle 224,7 eV/particle 319,53 eV/particle 351,63 eV/particle 384,55 eV/particle 429,32 eV/particle 462,8 eV/particle 495,4 eV/particle 571,1 eV/particle 607,02 eV/particle 1.541,05 eV/particle 1.646 eV/particle 1.758 eV/particle 1.880 eV/particle 2.008,1 eV/particle 2.130,46 eV/particle 2.295,6 eV/particle 2.399,259 eV/particle 10.288,8858 eV/particle 10.775,386 eV/particle

enthalpy of vaporization	378,6 kJ/mol
enthalpy of fusion	17,61 kJ/mol
standard enthalpy of formation	430,1 kJ/mol
Kareva

electron shell	2, 8, 16, 2

valence electron	2 ⓘ

electron configuration	[Ar] 3d⁸ 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s²

oxidation number	-2, -1, 0, 1, 2, 3, 4
electronegativity	11,13 eV/particle 0.1472068 1.91
Electrophilicity Index	1,4915353151966217 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	3.186,15 K
Melting Point	1.728,15 K
critical pressure
critical temperature
triple point
appearance
color	Gray #a52a2a #50d050 #50d050
appearance	lustrous, metallic, and silver with a gold tinge
refractive index
thermodynamic material property
Thermal Conductivity	90,9 W/(m K)
thermal expansion	0,0000134 1/K
molar heat capacity	26,07 J/(mol K)
Specific Heat Capacity	0,444 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	14 MS/m
electrical resistivity	0,00000007000000000002 Ω*m
superconductivity
magnetism
type	ferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Germahiya Curie	631 K
Néel temperature
pêkhate
Crystal Structure	Face Centered Cubic (FCC)
lattice constant	3,52 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	700 MPa 4 MPa 638 MPa
bulk modulus	180 GPa
shear modulus	76 GPa
Young's modulus	200 GPa
Poisson's ratio	0,31
Leza dengê	4.970 m/s
classification
Category	Transition metals, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number	69
Mendeleev Number	67
Pettifor Number	67
Geochemical Class	first series transition metal
Goldschmidt classification	siderophile

other

Gas Basicity	714,1 kJ/mol
polarizability	49 ± 3 a₀
C6 Dispersion Coefficient	373 a₀ 393 a₀
allotrope
Neutron cross section	4,5
Neutron Mass Absorption	0,0026
quantum number	3F4
space group	225 (Fm_3m)

Isotopes of Nickel

Stable Isotopes	4
Unstable Isotopes	31
Natural Isotopes	5

⁴⁸Ni

Hejmara baristeyî	48
neutron number	20
Giraniya Atomê	48,019515 ± 0,000455 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	2,8 ± 0,8 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	2000
parity	+

decay mode	intensity
2p (2-proton emission)	70%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	30%
β⁺ p (β⁺-delayed proton emission)

⁴⁹Ni

Hejmara baristeyî	49
neutron number	21
Giraniya Atomê	49,009157 ± 0,000644 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	7,5 ± 1 ms
spin	7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1996
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	83.4%

⁵⁰Ni

Hejmara baristeyî	50
neutron number	22
Giraniya Atomê	49,996286 ± 0,000537 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	18,5 ± 1,2 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1994
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	73%
2p (2-proton emission)	14%

⁵¹Ni

Hejmara baristeyî	51
neutron number	23
Giraniya Atomê	50,987493 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	23,8 ± 0,2 ms
spin	7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1987
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	87.2%
2p (2-proton emission)	0.5%

⁵²Ni

Hejmara baristeyî	52
neutron number	24
Giraniya Atomê	51,975781 ± 0,000089 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	41,8 ± 1 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1987
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	31.1%

⁵³Ni

Hejmara baristeyî	53
neutron number	25
Giraniya Atomê	52,96819 ± 0,000027 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	55,2 ± 0,7 ms
spin	7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1976
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	22.7%

⁵⁴Ni

Hejmara baristeyî	54
neutron number	26
Giraniya Atomê	53,957833 ± 0,000005 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	114,1 ± 0,3 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1977
parity	+

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

⁵⁵Ni

Hejmara baristeyî	55
neutron number	27
Giraniya Atomê	54,951329846 ± 0,000000757 Da
g-factor	0,28 ± 0,0085714285714286
natural abundance
radioactivity	☢️ radioactive element
half-life	203,9 ± 1,3 ms
spin	7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1972
parity	-

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

⁵⁶Ni

Hejmara baristeyî	56
neutron number	28
Giraniya Atomê	55,942127761 ± 0,000000428 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	6,075 ± 0,01 d
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1952
parity	+

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

⁵⁷Ni

Hejmara baristeyî	57
neutron number	29
Giraniya Atomê	56,939791394 ± 0,000000608 Da
g-factor	-0,53166666666667 ± 0,00093333333333333
natural abundance
radioactivity	☢️ radioactive element
half-life	35,6 ± 0,06 h
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1938
parity	-

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

⁵⁸Ni

Hejmara baristeyî	58
neutron number	30
Giraniya Atomê	57,93534165 ± 0,000000374 Da
g-factor	0
natural abundance	68,0769 ± 0,019
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1921
parity	+

decay mode	intensity
2β⁺ (double β⁺ decay)

⁵⁹Ni

Hejmara baristeyî	59
neutron number	31
Giraniya Atomê	58,934345442 ± 0,000000376 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	81 ± 5 ky
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1951
parity	-

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

⁶⁰Ni

Hejmara baristeyî	60
neutron number	32
Giraniya Atomê	59,930785129 ± 0,000000378 Da
g-factor	0
natural abundance	26,2231 ± 0,015
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1921
parity	+

⁶¹Ni

Hejmara baristeyî	61
neutron number	33
Giraniya Atomê	60,931054819 ± 0,000000381 Da
g-factor
natural abundance	1,1399 ± 0,0013
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,162 ± 0,015
dema îcadkirinê yan keşfê	1934
parity	-

⁶²Ni

Hejmara baristeyî	62
neutron number	34
Giraniya Atomê	61,928344753 ± 0,000000455 Da
g-factor	0
natural abundance	3,6345 ± 0,004
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1934
parity	+

⁶³Ni

Hejmara baristeyî	63
neutron number	35
Giraniya Atomê	62,929669021 ± 0,000000457 Da
g-factor	0,992 ± 0,01
natural abundance
radioactivity	☢️ radioactive element
half-life	101,2 ± 1,5 y
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1951
parity	-

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

⁶⁴Ni

Hejmara baristeyî	64
neutron number	36
Giraniya Atomê	63,927966228 ± 0,000000497 Da
g-factor	0
natural abundance	0,9256 ± 0,0019
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1935
parity	+

⁶⁵Ni

Hejmara baristeyî	65
neutron number	37
Giraniya Atomê	64,930084585 ± 0,000000518 Da
g-factor	0,276 ± 0,024
natural abundance
radioactivity	☢️ radioactive element
half-life	2,5175 ± 0,0005 h
spin	5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1946
parity	-

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

⁶⁶Ni

Hejmara baristeyî	66
neutron number	38
Giraniya Atomê	65,929139333 ± 0,0000015 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	54,6 ± 0,3 h
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1948
parity	+

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

⁶⁷Ni

Hejmara baristeyî	67
neutron number	39
Giraniya Atomê	66,931569413 ± 0,0000031 Da
g-factor	1,202 ± 0,01
natural abundance
radioactivity	☢️ radioactive element
half-life	21 ± 1 s
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1978
parity	-

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

⁶⁸Ni

Hejmara baristeyî	68
neutron number	40
Giraniya Atomê	67,931868787 ± 0,0000032 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	29 ± 2 s
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1977
parity	+

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

⁶⁹Ni

Hejmara baristeyî	69
neutron number	41
Giraniya Atomê	68,935610267 ± 0,000004 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	11,4 ± 0,3 s
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1984
parity	+

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

⁷⁰Ni

Hejmara baristeyî	70
neutron number	42
Giraniya Atomê	69,9364313 ± 0,000002301 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	6 ± 0,3 s
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1987
parity	+

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

⁷¹Ni

Hejmara baristeyî	71
neutron number	43
Giraniya Atomê	70,940518962 ± 0,000002401 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2,56 ± 0,03 s
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1987
parity	+

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

⁷²Ni

Hejmara baristeyî	72
neutron number	44
Giraniya Atomê	71,941785924 ± 0,000002401 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	1,57 ± 0,05 s
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1987
parity	+

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

⁷³Ni

Hejmara baristeyî	73
neutron number	45
Giraniya Atomê	72,946206681 ± 0,000002601 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	840 ± 30 ms
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1987
parity	+

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

⁷⁴Ni

Hejmara baristeyî	74
neutron number	46
Giraniya Atomê	73,947718 ± 0,000215 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	507,7 ± 4,6 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1987
parity	+

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

⁷⁵Ni

Hejmara baristeyî	75
neutron number	47
Giraniya Atomê	74,952506 ± 0,000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	331,6 ± 3,2 ms
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1992
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	10%

⁷⁶Ni

Hejmara baristeyî	76
neutron number	48
Giraniya Atomê	75,954707 ± 0,000322 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	234,6 ± 2,7 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1995
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	14%

⁷⁷Ni

Hejmara baristeyî	77
neutron number	49
Giraniya Atomê	76,959903 ± 0,000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	158,9 ± 4,2 ms
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1995
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	26%
2n (2-neutron emission)

⁷⁸Ni

Hejmara baristeyî	78
neutron number	50
Giraniya Atomê	77,962555 ± 0,000429 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	122,2 ± 5,1 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1995
parity	+

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

⁷⁹Ni

Hejmara baristeyî	79
neutron number	51
Giraniya Atomê	78,969769 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	44 ± 8 ms
spin	5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	2010
parity	+

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

⁸⁰Ni

Hejmara baristeyî	80
neutron number	52
Giraniya Atomê	79,975051 ± 0,000644 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	30 ± 22 ms
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	2014
parity	+

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

⁸¹Ni

Hejmara baristeyî	81
neutron number	53
Giraniya Atomê	80,982727 ± 0,000751 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	2017
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

⁸²Ni

Hejmara baristeyî	82
neutron number	54
Giraniya Atomê	81,988492 ± 0,000859 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	2017
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

dîrok

kaşîf an îcadker	Axel Cronstedt
location of discovery	Sweden
dema îcadkirinê yan keşfê	1751
Bêjenasî	German: kupfernickel (false copper).
pronunciation	NIK-l (îngilîzî)

source

Abundance
Abundance in Earth's crust	84 mg/kg
natural abundance (Okyanûs)	0,00056 mg/L
natural abundance (human body)	0,00001 %
natural abundance (meteoroid)	1,3 %
natural abundance (Roj)	0,008 %
Abundance in Universe	0,006 %

Nuclear Screening Constants

1	s	0.6474
2	p	3.9048
2	s	7.7874
3	d	15.4705
3	p	13.915
3	s	13.039
4	s	22.2892

Nîkel on ChemicalAid

AGROVOC ID	c_5172
Art & Architecture Thesaurus ID	300011028
Australian Educational Vocabulary ID	scot/3548
BNCF Thesaurus ID	20098
Bibliothèque nationale de France ID	119445481
Brockhaus Enzyklopädie online ID	nickel
CAB ID	224368
CA PROP 65 ID	nickel-and-nickel-compounds
CAS Registry Number	7440-02-0
Canadian Encyclopedia article ID	nickel
ChEBI ID	28112
ChemSpider ID	910
DSSTOX compound identifier	DTXCID80925
DSSTox substance ID	DTXSID2020925
Den Store Danske ID	nikkel
ECHA Substance Infocard ID	100.028.283
Encyclopædia Britannica Online ID	science/nickel-chemical-element
Encyclopædia Universalis ID	nickel
EuroVoc ID	2056
Freebase ID	/m/025s4r7
French Vikidia ID	Nickel
GEMET ID	5589
GND ID	4042133-8
Great Russian Encyclopedia Online ID	2268050
HCIS ID	3204
HCIS ID	3214
HSDB ID	1096
ICSC ID	0062
IEDB Epitope ID	113234
InChI	InChI=1S/Ni
InChIKey	PXHVJJICTQNCMI-UHFFFAOYSA-N
KBpedia ID	Nickel
Krugosvet article	nauka_i_tehnika/tehnologiya_i_promyshlennost/NIKEL.html
Latvian National Encyclopedia Online ID	102889
Library of Congress authority ID	sh85091772
MeSH descriptor ID	D009532
NDF-RT ID	N0000022900
NDL Authority ID	00568497
NKCR AUT ID	ph123294
National Library of Israel J9U ID	987007531440305171
National Library of Latvia ID	000216326
Nomisma ID	ni
OmegaWiki Defined Meaning	2509
OpenAlex ID	C504270822
PACTOLS thesaurus ID	pcrtp5MND6qfnb
PSH ID	5782
PubChem CID	935
Quora topic ID	NI
RxNorm ID	1311629
STW Thesaurus for Economics ID	14305-1
Spanish Cultural Heritage thesauri ID	materias/1000925
Spanish Vikidia ID	Níquel
Store medisinske leksikon ID	nikkel
Store norske leksikon ID	nikkel
Treccani ID	nichel
U.S. National Archives Identifier	10647023
UK Archival Thesaurus ID	f2/mt225/4347/19044
UK Parliament thesaurus ID	11940
UMLS CUI	C0028013
UNII	7OV03QG267
USGS Thesaurus ID	1520
Wolfram Language entity code	Entity["Mineral", "Nickel"]
WordNet 3.1 Synset ID	14670788-n
YSO ID	19926
ZVG number	8230

Nîkel (Ni)

Physical Property

Chemical Property

other

Isotopes of Nickel

48Ni

49Ni

50Ni

51Ni

52Ni

53Ni

54Ni

55Ni

56Ni

57Ni

58Ni

59Ni

60Ni

61Ni

62Ni

63Ni

64Ni

65Ni

66Ni

67Ni

68Ni

69Ni

70Ni

71Ni

72Ni

73Ni

74Ni

75Ni

76Ni

77Ni

78Ni

79Ni

80Ni

81Ni

82Ni

dîrok

source

Nuclear Screening Constants

⁴⁸Ni

⁴⁹Ni

⁵⁰Ni

⁵¹Ni

⁵²Ni

⁵³Ni

⁵⁴Ni

⁵⁵Ni

⁵⁶Ni

⁵⁷Ni

⁵⁸Ni

⁵⁹Ni

⁶⁰Ni

⁶¹Ni

⁶²Ni

⁶³Ni

⁶⁴Ni

⁶⁵Ni

⁶⁶Ni

⁶⁷Ni

⁶⁸Ni

⁶⁹Ni

⁷⁰Ni

⁷¹Ni

⁷²Ni

⁷³Ni

⁷⁴Ni

⁷⁵Ni

⁷⁶Ni

⁷⁷Ni

⁷⁸Ni

⁷⁹Ni

⁸⁰Ni

⁸¹Ni

⁸²Ni