Niyobyûm

Niyobyûm (Nb)

chemical element with symbol Nb and atomic number 41
Atomic Number41
Atomic Weight92.90637
Hejmara baristeyî93
Group5
Period5
Blockd
Proton41 p+
Notron52 n0
Kareva41 e-
Animated Bohr model of Nb (Niyobyûm)

Physical Property

Atomic Radius
145 pm
molar volume
Covalent Radius
147 pm
Metallic Radius
134 pm
ionic radius
72 pm
Crystal Radius
86 pm
Van der Waals radius
218 pm
density
8,57 g/cm³
Atomic Radii Of The Elements: Niyobyûm020406080100120140160180200220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
0,917406 eV/particle
ionization energy
6,75885 eV/particle
ionization energy of Nb (Niyobyûm)
enthalpy of vaporization
680 kJ/mol
enthalpy of fusion
26,8 kJ/mol
standard enthalpy of formation
733 kJ/mol
Kareva
electron shell2, 8, 18, 12, 1
Bohr model: Nb (Niyobyûm)
valence electron1
Lewis structure: Nb (Niyobyûm)
electron configuration[Kr] 4d4 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d4 5s1
Enhanced Bohr model of Nb (Niyobyûm)
Orbital Diagram of Nb (Niyobyûm)
oxidation number-3, -1, 0, 1, 2, 3, 4, 5
electronegativity
1.6
Electrophilicity Index
1,2609233730892566 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
5.014,15 K
Melting Point
2.750,15 K
critical pressure
critical temperature
triple point
appearance
color
Gray
appearancegray metallic, bluish when oxidized
refractive index
thermodynamic material property
Thermal Conductivity
53,7 W/(m K)
thermal expansion
0,0000073 1/K
molar heat capacity
Specific Heat Capacity
0,265 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
6,7 MS/m
electrical resistivity
0,00000015 m Ω
superconductivity
9,25 K
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000276 m³/Kg
magnetic susceptibility (Molar)
0,00000000256 m³/mol
magnetic susceptibility (Volume)
0,000237
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3,3 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6 MPa
bulk modulus
170 GPa
shear modulus
38 GPa
Young's modulus
105 GPa
Poisson's ratio
0,4
Leza dengê
3.480 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number53
Mendeleev Number48
Pettifor Number52
Geochemical Classhigh field strength
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
98 ± 8 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
1,15
Neutron Mass Absorption
0,0004
quantum number6D1/2
space group229 (Im_3m)

Isotopes of Niobium

Stable Isotopes1
Unstable Isotopes37
Natural Isotopes1

79Nb

Hejmara baristeyî79
neutron number38
Giraniya atomê
78,966022 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

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

80Nb

Hejmara baristeyî80
neutron number39
Giraniya atomê
79,958754 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

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

81Nb

Hejmara baristeyî81
neutron number40
Giraniya atomê
80,95023 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

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

82Nb

Hejmara baristeyî82
neutron number41
Giraniya atomê
81,94438 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
51 ± 5 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1992
parity+

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

83Nb

Hejmara baristeyî83
neutron number42
Giraniya atomê
82,93815 ± 0,000174 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,9 ± 0,2 s
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1988
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

84Nb

Hejmara baristeyî84
neutron number43
Giraniya atomê
83,934305711 ± 0,00000043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,8 ± 0,9 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

85Nb

Hejmara baristeyî85
neutron number44
Giraniya atomê
84,928845836 ± 0,0000044 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
20,5 ± 0,7 s
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1988
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

86Nb

Hejmara baristeyî86
neutron number45
Giraniya atomê
85,925781536 ± 0,000005903 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
88 ± 1 s
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1974
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

87Nb

Hejmara baristeyî87
neutron number46
Giraniya atomê
86,920692473 ± 0,000007302 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,7 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1971
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

88Nb

Hejmara baristeyî88
neutron number47
Giraniya atomê
87,918226476 ± 0,000062059 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
14,5 ± 0,11 m
spin8
nuclear quadrupole moment
dema îcadkirinê yan keşfê1964
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

89Nb

Hejmara baristeyî89
neutron number48
Giraniya atomê
88,913444696 ± 0,000025367 Da
g-factor
1,3813333333333 ± 0,0011111111111111
natural abundance
radioactivity☢️ radioactive element
half-life
2,03 ± 0,07 h
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

90Nb

Hejmara baristeyî90
neutron number49
Giraniya atomê
89,911259201 ± 0,000003561 Da
g-factor
0,61825 ± 0,0005
natural abundance
radioactivity☢️ radioactive element
half-life
14,6 ± 0,05 h
spin8
nuclear quadrupole moment
0,01 ± 0,04
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

91Nb

Hejmara baristeyî91
neutron number50
Giraniya atomê
90,906990256 ± 0,00000314 Da
g-factor
1,4473333333333 ± 0,00066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
680 ± 130 y
spin9/2
nuclear quadrupole moment
-0,25 ± 0,03
dema îcadkirinê yan keşfê1951
parity+

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

92Nb

Hejmara baristeyî92
neutron number51
Giraniya atomê
91,90718858 ± 0,000001915 Da
g-factor
0,73285714285714 ± 0,00057142857142857
natural abundance
radioactivity☢️ radioactive element
half-life
34,7 ± 2,4 My
spin7
nuclear quadrupole moment
-0,35 ± 0,03
dema îcadkirinê yan keşfê1938
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

93Nb

Hejmara baristeyî93
neutron number52
Giraniya atomê
92,90637317 ± 0,000001599 Da
g-factor
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin9/2
nuclear quadrupole moment
-0,32 ± 0,02
dema îcadkirinê yan keşfê1932
parity+

94Nb

Hejmara baristeyî94
neutron number53
Giraniya atomê
93,907279001 ± 0,0000016 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
20,4 ± 0,4 ky
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1938
parity+

decay modeintensity
β (β decay)100%

95Nb

Hejmara baristeyî95
neutron number54
Giraniya atomê
94,90683111 ± 0,000000545 Da
g-factor
1,3646666666667 ± 0,0011111111111111
natural abundance
radioactivity☢️ radioactive element
half-life
34,991 ± 0,006 d
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β (β decay)100%

96Nb

Hejmara baristeyî96
neutron number55
Giraniya atomê
95,908101586 ± 0,000000157 Da
g-factor
0,82916666666667 ± 0,00066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
23,35 ± 0,05 h
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1949
parity+

decay modeintensity
β (β decay)100%

97Nb

Hejmara baristeyî97
neutron number56
Giraniya atomê
96,908101622 ± 0,000004556 Da
g-factor
1,3673333333333 ± 0,0011111111111111
natural abundance
radioactivity☢️ radioactive element
half-life
72,1 ± 0,7 m
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β (β decay)100%

98Nb

Hejmara baristeyî98
neutron number57
Giraniya atomê
97,910332645 ± 0,000005369 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,86 ± 0,06 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1960
parity+

decay modeintensity
β (β decay)100%

99Nb

Hejmara baristeyî99
neutron number58
Giraniya atomê
98,911609377 ± 0,000012886 Da
g-factor
1,3244444444444 ± 0,0066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
15 ± 0,2 s
spin9/2
nuclear quadrupole moment
-0,41 ± 0,14
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
β (β decay)100%

100Nb

Hejmara baristeyî100
neutron number59
Giraniya atomê
99,914340578 ± 0,000008562 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,5 ± 0,2 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1967
parity+

decay modeintensity
β (β decay)100%

101Nb

Hejmara baristeyî101
neutron number60
Giraniya atomê
100,915306508 ± 0,000004024 Da
g-factor
1,2744 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
7,1 ± 0,3 s
spin5/2
nuclear quadrupole moment
1,05 ± 0,07
dema îcadkirinê yan keşfê1970
parity+

decay modeintensity
β (β decay)100%

102Nb

Hejmara baristeyî102
neutron number61
Giraniya atomê
101,918090447 ± 0,000002695 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,3 ± 0,4 s
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1972
parity+

decay modeintensity
β (β decay)100%

103Nb

Hejmara baristeyî103
neutron number62
Giraniya atomê
102,919453416 ± 0,000004224 Da
g-factor
1,2532 ± 0,0016
natural abundance
radioactivity☢️ radioactive element
half-life
1,34 ± 0,07 s
spin5/2
nuclear quadrupole moment
1,08 ± 0,09
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

104Nb

Hejmara baristeyî104
neutron number63
Giraniya atomê
103,922907728 ± 0,000001915 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
0,98 ± 0,05 s
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1976
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.05%

105Nb

Hejmara baristeyî105
neutron number64
Giraniya atomê
104,924942577 ± 0,000004324 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,91 ± 0,05 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1984
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.7%

106Nb

Hejmara baristeyî106
neutron number65
Giraniya atomê
105,928928505 ± 0,00000152 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
900 ± 20 ms
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1976
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)4.5%

107Nb

Hejmara baristeyî107
neutron number66
Giraniya atomê
106,931589685 ± 0,000008612 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
286 ± 8 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1992
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7.4%

108Nb

Hejmara baristeyî108
neutron number67
Giraniya atomê
107,936075604 ± 0,000008844 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
201 ± 4 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)6.3%
2n (2-neutron emission)

109Nb

Hejmara baristeyî109
neutron number68
Giraniya atomê
108,939141 ± 0,0004625 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
106,9 ± 4,9 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)31%

110Nb

Hejmara baristeyî110
neutron number69
Giraniya atomê
109,943843 ± 0,0009 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
75 ± 1 ms
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)40%
2n (2-neutron emission)

111Nb

Hejmara baristeyî111
neutron number70
Giraniya atomê
110,947439 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
54 ± 2 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

112Nb

Hejmara baristeyî112
neutron number71
Giraniya atomê
111,952689 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
38 ± 2 ms
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

113Nb

Hejmara baristeyî113
neutron number72
Giraniya atomê
112,956833 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
32 ± 4 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

114Nb

Hejmara baristeyî114
neutron number73
Giraniya atomê
113,962469 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
17 ± 5 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

115Nb

Hejmara baristeyî115
neutron number74
Giraniya atomê
114,966849 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23 ± 8 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

116Nb

Hejmara baristeyî116
neutron number75
Giraniya atomê
115,972914 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Niobium crystals and 1cm3 cube

dîrok

kaşîf an îcadkerCharles Hatchet
location of discoveryEngland
dema îcadkirinê yan keşfê1801
BêjenasîFrom Niobe; daughter of the mythical Greek king Tantalus.
pronunciationni-OH-bee-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
natural abundance (Okyanûs)
0,00001 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,000019 %
natural abundance (Roj)
0,0000004 %
Abundance in Universe
0,0000002 %

Nuclear Screening Constants

1s0.8577
2p4.0178
2s10.8748
3d14.753
3p16.3844
3s15.8285
4d29.7624
4p26.9156
4s25.7172
5s35.079