Niobium (Nb)

grundstof med atomnummer 41

Atomnummer	41
Atommasse	92.90637
mass number	93

Gruppe	5
Periode	5
Blok	d

proton	41 p⁺
neutron	52 n⁰
elektron	41 e^-

Animated Bohrs atommodel of Nb (Niobium)

Fysisk Egenskab

Atomradius	145 pm 251 pm
molar volume	10,8 cm³/mol
Kovalent Radius	147 pm 125 pm 116 pm 164 pm
Metallic Radius	134 pm 146 pm
Ionisk radius	72 pm 68 pm 79 pm 48 pm 64 pm 69 pm 74 pm
Crystal Radius	86 pm 82 pm 93 pm 62 pm 78 pm 83 pm 88 pm
Van der Waals-radius	215 pm 218 pm 243 pm 316,5 pm
massefylde	8,57 g/cm³

Kemisk Egenskab

energi

proton affinity
electron affinity	0,917406 eV/particle
ioniseringsenergi	6,75885 eV/particle 14,32 eV/particle 25 eV/particle 37,611 eV/particle 50,5728 eV/particle 102,069 eV/particle 119,14 eV/particle 136 eV/particle 159,2 eV/particle 180 eV/particle 200,28 eV/particle 246,1 eV/particle 268,59 eV/particle 482,5 eV/particle 530 eV/particle 581 eV/particle 636 eV/particle 688 eV/particle 758 eV/particle 816 eV/particle 877 eV/particle 940 eV/particle 1.000 eV/particle 1.176 eV/particle 1.230,6 eV/particle 1.293,7 eV/particle 1.368 eV/particle 1.439 eV/particle 1.500 eV/particle 1.625,9 eV/particle 1.684,969 eV/particle 4.020,1 eV/particle 4.187 eV/particle 4.369 eV/particle 4.540 eV/particle 4.815 eV/particle 5.011 eV/particle 5.265 eV/particle 5.426,065 eV/particle 22.648,045 eV/particle 23.388,8 eV/particle

Fordampningsvarme	680 kJ/mol
smeltevarme	26,8 kJ/mol
standard enthalpy of formation	733 kJ/mol
elektron

Elektronskal	2, 8, 18, 12, 1

Valenselektron	1 ⓘ

electron configuration	[Kr] 4d⁴ 5s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d⁴ 5s¹

Oxidationstrin	-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativitet	8,34 eV/particle 0.1280782 1.6
Electrophilicity Index	1,2609233730892566 eV/particle
fundamental state of matter

stoffase	Fast stof
gaseous state of matter
Kogepunkt	5.014,15 K
Smeltepunkt	2.750,15 K
critical pressure
critical temperature
trippelpunkt
appearance
farve	Grå #ff1493 #73c2c9 #73c2c9
appearance	gray metallic, bluish when oxidized
Brydningsindeks
materialeegenskab
Varmeledningsevne	53,7 W/(m K)
Termisk ekspansion	0,0000073 1/K
molar heat capacity	24,6 J/(mol K)
Varmefylde	0,265 J/(g⋅K)
Adiabateksponenten
electrical properties
type	Conductor
specifik ledningsevne	6,7 MS/m
Elektrisk resistivitet	0,00000015 Ω*m
superledning	9,25 K
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000276 m³/Kg
magnetic susceptibility (Molar)	0,00000000256 m³/mol
magnetic susceptibility (Volume)	0,000237
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	Rumcentreret Kubisk (BCC)
lattice constant	3,3 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hårdhed	736 MPa 6 MPa 1.320 MPa
Kompressibilitetsmodul	170 GPa
Forskydningsmodul	38 GPa
E-modul	105 GPa
Poissons forhold	0,4
speed of sound	3.480 m/s
klassificering
Kategori	Overgangsmetaller, Transition metals
CAS Group	VA
IUPAC Group	VB
Glawe Number	53
Mendeleev Number	48
Pettifor Number	52
Geochemical Class	high field strength
Goldschmidt classification	litophile

øvrige

Gas Basicity
polarizability	98 ± 8 a₀
C6 Dispersion Coefficient	1.140 a₀
allotrope
Neutron cross section	1,15
Neutron Mass Absorption	0,0004
quantum number	6D1/2
rumgruppe	229 (Im_3m)

Isotopes of Niobium

Stable Isotopes	1
Unstable Isotopes	37
Natural Isotopes	1

⁷⁹Nb

mass number	79
neutron number	38
Relative Atomic Mass	78,966022 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	9/2
nuclear quadrupole moment
opdagelsesdato
Paritet	+

decay mode	Intensitet
p (proton emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁺ p (β⁺-delayed proton emission)

⁸⁰Nb

mass number	80
neutron number	39
Relative Atomic Mass	79,958754 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	4
nuclear quadrupole moment
opdagelsesdato
Paritet	-

decay mode	Intensitet
p (proton emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁺ p (β⁺-delayed proton emission)

⁸¹Nb

mass number	81
neutron number	40
Relative Atomic Mass	80,95023 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	9/2
nuclear quadrupole moment
opdagelsesdato
Paritet	+

decay mode	Intensitet
p (proton emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁺ p (β⁺-delayed proton emission)

⁸²Nb

mass number	82
neutron number	41
Relative Atomic Mass	81,94438 ± 0,000322 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	51 ± 5 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1992
Paritet	+

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

⁸³Nb

mass number	83
neutron number	42
Relative Atomic Mass	82,93815 ± 0,000174 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,9 ± 0,2 s
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1988
Paritet	+

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

⁸⁴Nb

mass number	84
neutron number	43
Relative Atomic Mass	83,934305711 ± 0,00000043 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	9,8 ± 0,9 s
spin	1
nuclear quadrupole moment
opdagelsesdato	1977
Paritet	+

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

⁸⁵Nb

mass number	85
neutron number	44
Relative Atomic Mass	84,928845836 ± 0,0000044 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	20,5 ± 0,7 s
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1988
Paritet	+

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

⁸⁶Nb

mass number	86
neutron number	45
Relative Atomic Mass	85,925781536 ± 0,000005903 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	88 ± 1 s
spin	6
nuclear quadrupole moment
opdagelsesdato	1974
Paritet	+

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

⁸⁷Nb

mass number	87
neutron number	46
Relative Atomic Mass	86,920692473 ± 0,000007302 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,7 ± 0,1 m
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1971
Paritet

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

⁸⁸Nb

mass number	88
neutron number	47
Relative Atomic Mass	87,918226476 ± 0,000062059 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	14,5 ± 0,11 m
spin	8
nuclear quadrupole moment
opdagelsesdato	1964
Paritet	+

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

⁸⁹Nb

mass number	89
neutron number	48
Relative Atomic Mass	88,913444696 ± 0,000025367 Da
g-factor	1,3813333333333 ± 0,0011111111111111
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,03 ± 0,07 h
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1954
Paritet	+

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

⁹⁰Nb

mass number	90
neutron number	49
Relative Atomic Mass	89,911259201 ± 0,000003561 Da
g-factor	0,61825 ± 0,0005
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	14,6 ± 0,05 h
spin	8
nuclear quadrupole moment	0,01 ± 0,04
opdagelsesdato	1951
Paritet	+

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

⁹¹Nb

mass number	91
neutron number	50
Relative Atomic Mass	90,906990256 ± 0,00000314 Da
g-factor	1,4473333333333 ± 0,00066666666666667
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	680 ± 130 y
spin	9/2
nuclear quadrupole moment	-0,25 ± 0,03
opdagelsesdato	1951
Paritet	+

decay mode	Intensitet
ϵ (electron capture)	100%
e⁺ (positron emission)	0.0138%

⁹²Nb

mass number	92
neutron number	51
Relative Atomic Mass	91,90718858 ± 0,000001915 Da
g-factor	0,73285714285714 ± 0,00057142857142857
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	34,7 ± 2,4 My
spin	7
nuclear quadrupole moment	-0,35 ± 0,03
opdagelsesdato	1938
Paritet	+

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

⁹³Nb

mass number	93
neutron number	52
Relative Atomic Mass	92,90637317 ± 0,000001599 Da
g-factor
natural abundance	100
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	9/2
nuclear quadrupole moment	-0,32 ± 0,02
opdagelsesdato	1932
Paritet	+

⁹⁴Nb

mass number	94
neutron number	53
Relative Atomic Mass	93,907279001 ± 0,0000016 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	20,4 ± 0,4 ky
spin	6
nuclear quadrupole moment
opdagelsesdato	1938
Paritet	+

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

⁹⁵Nb

mass number	95
neutron number	54
Relative Atomic Mass	94,90683111 ± 0,000000545 Da
g-factor	1,3646666666667 ± 0,0011111111111111
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	34,991 ± 0,006 d
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1951
Paritet	+

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

⁹⁶Nb

mass number	96
neutron number	55
Relative Atomic Mass	95,908101586 ± 0,000000157 Da
g-factor	0,82916666666667 ± 0,00066666666666667
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	23,35 ± 0,05 h
spin	6
nuclear quadrupole moment
opdagelsesdato	1949
Paritet	+

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

⁹⁷Nb

mass number	97
neutron number	56
Relative Atomic Mass	96,908101622 ± 0,000004556 Da
g-factor	1,3673333333333 ± 0,0011111111111111
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	72,1 ± 0,7 m
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1951
Paritet	+

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

⁹⁸Nb

mass number	98
neutron number	57
Relative Atomic Mass	97,910332645 ± 0,000005369 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,86 ± 0,06 s
spin	1
nuclear quadrupole moment
opdagelsesdato	1960
Paritet	+

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

⁹⁹Nb

mass number	99
neutron number	58
Relative Atomic Mass	98,911609377 ± 0,000012886 Da
g-factor	1,3244444444444 ± 0,0066666666666667
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	15 ± 0,2 s
spin	9/2
nuclear quadrupole moment	-0,41 ± 0,14
opdagelsesdato	1950
Paritet	+

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

¹⁰⁰Nb

mass number	100
neutron number	59
Relative Atomic Mass	99,914340578 ± 0,000008562 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,5 ± 0,2 s
spin	1
nuclear quadrupole moment
opdagelsesdato	1967
Paritet	+

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

¹⁰¹Nb

mass number	101
neutron number	60
Relative Atomic Mass	100,915306508 ± 0,000004024 Da
g-factor	1,2744 ± 0,0008
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	7,1 ± 0,3 s
spin	5/2
nuclear quadrupole moment	1,05 ± 0,07
opdagelsesdato	1970
Paritet	+

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

¹⁰²Nb

mass number	102
neutron number	61
Relative Atomic Mass	101,918090447 ± 0,000002695 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	4,3 ± 0,4 s
spin	4
nuclear quadrupole moment
opdagelsesdato	1972
Paritet	+

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

¹⁰³Nb

mass number	103
neutron number	62
Relative Atomic Mass	102,919453416 ± 0,000004224 Da
g-factor	1,2532 ± 0,0016
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,34 ± 0,07 s
spin	5/2
nuclear quadrupole moment	1,08 ± 0,09
opdagelsesdato	1971
Paritet	+

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

¹⁰⁴Nb

mass number	104
neutron number	63
Relative Atomic Mass	103,922907728 ± 0,000001915 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	0,98 ± 0,05 s
spin	5
nuclear quadrupole moment
opdagelsesdato	1976
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.05%

¹⁰⁵Nb

mass number	105
neutron number	64
Relative Atomic Mass	104,924942577 ± 0,000004324 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,91 ± 0,05 s
spin	5/2
nuclear quadrupole moment
opdagelsesdato	1984
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.7%

¹⁰⁶Nb

mass number	106
neutron number	65
Relative Atomic Mass	105,928928505 ± 0,00000152 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	900 ± 20 ms
spin	1
nuclear quadrupole moment
opdagelsesdato	1976
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	4.5%

¹⁰⁷Nb

mass number	107
neutron number	66
Relative Atomic Mass	106,931589685 ± 0,000008612 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	286 ± 8 ms
spin	5/2
nuclear quadrupole moment
opdagelsesdato	1992
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7.4%

¹⁰⁸Nb

mass number	108
neutron number	67
Relative Atomic Mass	107,936075604 ± 0,000008844 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	201 ± 4 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	1994
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.3%
2n (2-neutron emission)

¹⁰⁹Nb

mass number	109
neutron number	68
Relative Atomic Mass	108,939141 ± 0,0004625 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	106,9 ± 4,9 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1994
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	31%

¹¹⁰Nb

mass number	110
neutron number	69
Relative Atomic Mass	109,943843 ± 0,0009 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	75 ± 1 ms
spin	5
nuclear quadrupole moment
opdagelsesdato	1994
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	40%
2n (2-neutron emission)

¹¹¹Nb

mass number	111
neutron number	70
Relative Atomic Mass	110,947439 ± 0,000322 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	54 ± 2 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1997
Paritet	-

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

¹¹²Nb

mass number	112
neutron number	71
Relative Atomic Mass	111,952689 ± 0,000322 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	38 ± 2 ms
spin	1
nuclear quadrupole moment
opdagelsesdato	1997
Paritet	+

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

¹¹³Nb

mass number	113
neutron number	72
Relative Atomic Mass	112,956833 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	32 ± 4 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1997
Paritet	-

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

¹¹⁴Nb

mass number	114
neutron number	73
Relative Atomic Mass	113,962469 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	17 ± 5 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	2010
Paritet	-

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

¹¹⁵Nb

mass number	115
neutron number	74
Relative Atomic Mass	114,966849 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	23 ± 8 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	2010
Paritet	-

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

¹¹⁶Nb

mass number	116
neutron number	75
Relative Atomic Mass	115,972914 ± 0,000322 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	1
nuclear quadrupole moment
opdagelsesdato	2018
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

historie

opdager eller opfinder	Charles Hatchet
fundsted	England
opdagelsesdato	1801
etymologi	From Niobe; daughter of the mythical Greek king Tantalus.
udtale	ni-OH-bee-em (engelsk)

source

Forekomst
Abundance in Earth's crust	20 mg/kg
natural abundance (verdenshave)	0,00001 mg/L
natural abundance (menneskelige krop)
natural abundance (Meteoroid)	0,000019 %
natural abundance (Solen)	0,0000004 %
Abundance in Universe	0,0000002 %

Nuclear Screening Constants

1	s	0.8577
2	p	4.0178
2	s	10.8748
3	d	14.753
3	p	16.3844
3	s	15.8285
4	d	29.7624
4	p	26.9156
4	s	25.7172
5	s	35.079

Niobium on ChemicalAid

Art & Architecture Thesaurus ID	300380228
Australian Educational Vocabulary ID	scot/3549
BNE-identifikator	XX543817
BNF	12257830n
Brockhaus Enzyklopädie online ID	niob
CAB ID	224595
CAS-nummer	7440-03-1
CPV Supplementary	AA40
ChEBI-ID	33344
ChemSpider ID	22378
Common Procurement Vocabulary	14791000
DSSTOX compound identifier	DTXCID5031052
DSSTox substance ID	DTXSID4052479
Den Store Danske-ID	niobium
Drugbank-ID	13031
ECHA Substance Infocard ID	100.028.284
Elhuyar ZTH ID	028674
Enciclopedia Treccani	niobio
Encyclopedia of China ID (Second Edition)	222935
Encyclopædia Britannica Online-ID	science/niobium
Encyclopædia Universalis-ID	niobium
Encyclopædia Universalis-ID	tantale-et-niobium
Freebase-ID	/m/025s4rg
GND-identifikator	4042362-1
Golden ID	Niobium-KKGJ
HMDB-ID	HMDB0061921
InChI	InChI=1S/Nb
InChIKey	GUCVJGMIXFAOAE-UHFFFAOYSA-N
KBpedia ID	Niobium
LCAuth	sh85091993
MeSH ID	D009556
Mindat mineral ID	7981
NALT ID	54839
NDL-nummer	00568530
National Library of Israel J9U ID	987007531486605171
OmegaWiki-betydningsdefinition	339099
OpenAlex ID	C507968137
PSH-ID	5766
Probes And Drugs ID	PD058292
PubChem CID	23936
Quora emne-ID	Niobium
RxNorm ID	1426867
Store katalanske encyklopædi-ID	0126369
Store norske leksikon-ID	niob
Store russiske encyklopædi Online-ID	2664211
UNII	05175J654G
USGS Thesaurus ID	1521
WordNet 3.1 Synset ID	14671120-n
YSO ID	26934
ZVG-nummer	7410

Niobium (Nb)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Niobium

79Nb

80Nb

81Nb

82Nb

83Nb

84Nb

85Nb

86Nb

87Nb

88Nb

89Nb

90Nb

91Nb

92Nb

93Nb

94Nb

95Nb

96Nb

97Nb

98Nb

99Nb

100Nb

101Nb

102Nb

103Nb

104Nb

105Nb

106Nb

107Nb

108Nb

109Nb

110Nb

111Nb

112Nb

113Nb

114Nb

115Nb

116Nb

historie

source

Nuclear Screening Constants

⁷⁹Nb

⁸⁰Nb

⁸¹Nb

⁸²Nb

⁸³Nb

⁸⁴Nb

⁸⁵Nb

⁸⁶Nb

⁸⁷Nb

⁸⁸Nb

⁸⁹Nb

⁹⁰Nb

⁹¹Nb

⁹²Nb

⁹³Nb

⁹⁴Nb

⁹⁵Nb

⁹⁶Nb

⁹⁷Nb

⁹⁸Nb

⁹⁹Nb

¹⁰⁰Nb

¹⁰¹Nb

¹⁰²Nb

¹⁰³Nb

¹⁰⁴Nb

¹⁰⁵Nb

¹⁰⁶Nb

¹⁰⁷Nb

¹⁰⁸Nb

¹⁰⁹Nb

¹¹⁰Nb

¹¹¹Nb

¹¹²Nb

¹¹³Nb

¹¹⁴Nb

¹¹⁵Nb

¹¹⁶Nb