Niobium

Niobium (Nb)

chemical element with symbol Nb and atomic number 41
Atomic Number41
Atomic Weight92.90637
Nombor jisim93
Group5
Period5
Blockd
proton41 p+
neutron52 n0
Elektron41 e-
Animated Model Bohr of Nb (Niobium)

Sifat Fizikal

Jejari Atom
145 pm
molar volume
Jejari kovalen
147 pm
Metallic Radius
134 pm
ionic radius
72 pm
Crystal Radius
86 pm
Jejari van der Waals
218 pm
ketumpatan
8.57 g/cm³
Atomic Radii Of The Elements: Niobium0102030405060708090100110120130140150160170180190200210220pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
0.917406 eV/particle
ionization energy
6.75885 eV/particle
ionization energy of Nb (Niobium)
Entalpi pengewapan
680 kJ/mol
entalpi pelakuran
26.8 kJ/mol
standard enthalpy of formation
733 kJ/mol
Elektron
Petala elektron2, 8, 18, 12, 1
Model Bohr: Nb (Niobium)
Elektron valens1
Teori ion Lewis: Nb (Niobium)
tatarajah elektron[Kr] 4d4 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d4 5s1
Enhanced Model Bohr of Nb (Niobium)
Orbital Diagram of Nb (Niobium)
Keadaan pengoksidaan-3, -1, 0, 1, 2, 3, 4, 5
Keelektronegatifan
1.6
Electrophilicity Index
1.2609233730892566 eV/particle
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
5,014.15 K
Melting Point
2,750.15 K
critical pressure
critical temperature
triple point
rupa
warna
Gray
rupagray metallic, bluish when oxidized
indeks biasan
sifat bahan
Thermal Conductivity
53.7 W/(m K)
Pengembangan terma
0.0000073 1/K
molar heat capacity
Specific Heat Capacity
0.265 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
6.7 MS/m
Kerintangan dan kekonduksian elektrik
0.00000015 m Ω
Kesuperkonduksian
9.25 K
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000276 m³/Kg
magnetic susceptibility (Molar)
0.00000000256 m³/mol
magnetic susceptibility (Volume)
0.000237
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3.3 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6 MPa
Modulus pukal
170 GPa
shear modulus
38 GPa
Young's modulus
105 GPa
Nisbah Poisson
0.4
Kelajuan bunyi
3,480 m/s
pengelasan
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
Nombor kuantum6D1/2
space group229 (Im_3m)

Isotopes of Niobium

Stable Isotopes1
Unstable Isotopes37
Natural Isotopes1

79Nb

Nombor jisim79
nombor neutron38
jisim atom relatif
78.966022 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin9/2
nuclear quadrupole moment
tarikh penemuan
parity+

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

80Nb

Nombor jisim80
nombor neutron39
jisim atom relatif
79.958754 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin4
nuclear quadrupole moment
tarikh penemuan
parity-

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

81Nb

Nombor jisim81
nombor neutron40
jisim atom relatif
80.95023 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin9/2
nuclear quadrupole moment
tarikh penemuan
parity+

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

82Nb

Nombor jisim82
nombor neutron41
jisim atom relatif
81.94438 ± 0.000322 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
51 ± 5 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1992
parity+

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

83Nb

Nombor jisim83
nombor neutron42
jisim atom relatif
82.93815 ± 0.000174 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.9 ± 0.2 s
Spin9/2
nuclear quadrupole moment
tarikh penemuan1988
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

84Nb

Nombor jisim84
nombor neutron43
jisim atom relatif
83.934305711 ± 0.00000043 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9.8 ± 0.9 s
Spin1
nuclear quadrupole moment
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

85Nb

Nombor jisim85
nombor neutron44
jisim atom relatif
84.928845836 ± 0.0000044 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
20.5 ± 0.7 s
Spin9/2
nuclear quadrupole moment
tarikh penemuan1988
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

86Nb

Nombor jisim86
nombor neutron45
jisim atom relatif
85.925781536 ± 0.000005903 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
88 ± 1 s
Spin6
nuclear quadrupole moment
tarikh penemuan1974
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

87Nb

Nombor jisim87
nombor neutron46
jisim atom relatif
86.920692473 ± 0.000007302 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.7 ± 0.1 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1971
parity

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

88Nb

Nombor jisim88
nombor neutron47
jisim atom relatif
87.918226476 ± 0.000062059 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.5 ± 0.11 m
Spin8
nuclear quadrupole moment
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

89Nb

Nombor jisim89
nombor neutron48
jisim atom relatif
88.913444696 ± 0.000025367 Da
g-factor
1.3813333333333 ± 0.0011111111111111
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.03 ± 0.07 h
Spin9/2
nuclear quadrupole moment
tarikh penemuan1954
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

90Nb

Nombor jisim90
nombor neutron49
jisim atom relatif
89.911259201 ± 0.000003561 Da
g-factor
0.61825 ± 0.0005
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.6 ± 0.05 h
Spin8
nuclear quadrupole moment
0.01 ± 0.04
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

91Nb

Nombor jisim91
nombor neutron50
jisim atom relatif
90.906990256 ± 0.00000314 Da
g-factor
1.4473333333333 ± 0.00066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
680 ± 130 y
Spin9/2
nuclear quadrupole moment
-0.25 ± 0.03
tarikh penemuan1951
parity+

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

92Nb

Nombor jisim92
nombor neutron51
jisim atom relatif
91.90718858 ± 0.000001915 Da
g-factor
0.73285714285714 ± 0.00057142857142857
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
34.7 ± 2.4 My
Spin7
nuclear quadrupole moment
-0.35 ± 0.03
tarikh penemuan1938
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

93Nb

Nombor jisim93
nombor neutron52
jisim atom relatif
92.90637317 ± 0.000001599 Da
g-factor
natural abundance
100
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin9/2
nuclear quadrupole moment
-0.32 ± 0.02
tarikh penemuan1932
parity+

94Nb

Nombor jisim94
nombor neutron53
jisim atom relatif
93.907279001 ± 0.0000016 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
20.4 ± 0.4 ky
Spin6
nuclear quadrupole moment
tarikh penemuan1938
parity+

decay modeKeamatan (fizik)
β (β decay)100%

95Nb

Nombor jisim95
nombor neutron54
jisim atom relatif
94.90683111 ± 0.000000545 Da
g-factor
1.3646666666667 ± 0.0011111111111111
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
34.991 ± 0.006 d
Spin9/2
nuclear quadrupole moment
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
β (β decay)100%

96Nb

Nombor jisim96
nombor neutron55
jisim atom relatif
95.908101586 ± 0.000000157 Da
g-factor
0.82916666666667 ± 0.00066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
23.35 ± 0.05 h
Spin6
nuclear quadrupole moment
tarikh penemuan1949
parity+

decay modeKeamatan (fizik)
β (β decay)100%

97Nb

Nombor jisim97
nombor neutron56
jisim atom relatif
96.908101622 ± 0.000004556 Da
g-factor
1.3673333333333 ± 0.0011111111111111
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
72.1 ± 0.7 m
Spin9/2
nuclear quadrupole moment
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
β (β decay)100%

98Nb

Nombor jisim98
nombor neutron57
jisim atom relatif
97.910332645 ± 0.000005369 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.86 ± 0.06 s
Spin1
nuclear quadrupole moment
tarikh penemuan1960
parity+

decay modeKeamatan (fizik)
β (β decay)100%

99Nb

Nombor jisim99
nombor neutron58
jisim atom relatif
98.911609377 ± 0.000012886 Da
g-factor
1.3244444444444 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15 ± 0.2 s
Spin9/2
nuclear quadrupole moment
-0.41 ± 0.14
tarikh penemuan1950
parity+

decay modeKeamatan (fizik)
β (β decay)100%

100Nb

Nombor jisim100
nombor neutron59
jisim atom relatif
99.914340578 ± 0.000008562 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.5 ± 0.2 s
Spin1
nuclear quadrupole moment
tarikh penemuan1967
parity+

decay modeKeamatan (fizik)
β (β decay)100%

101Nb

Nombor jisim101
nombor neutron60
jisim atom relatif
100.915306508 ± 0.000004024 Da
g-factor
1.2744 ± 0.0008
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
7.1 ± 0.3 s
Spin5/2
nuclear quadrupole moment
1.05 ± 0.07
tarikh penemuan1970
parity+

decay modeKeamatan (fizik)
β (β decay)100%

102Nb

Nombor jisim102
nombor neutron61
jisim atom relatif
101.918090447 ± 0.000002695 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.3 ± 0.4 s
Spin4
nuclear quadrupole moment
tarikh penemuan1972
parity+

decay modeKeamatan (fizik)
β (β decay)100%

103Nb

Nombor jisim103
nombor neutron62
jisim atom relatif
102.919453416 ± 0.000004224 Da
g-factor
1.2532 ± 0.0016
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.34 ± 0.07 s
Spin5/2
nuclear quadrupole moment
1.08 ± 0.09
tarikh penemuan1971
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

104Nb

Nombor jisim104
nombor neutron63
jisim atom relatif
103.922907728 ± 0.000001915 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
0.98 ± 0.05 s
Spin5
nuclear quadrupole moment
tarikh penemuan1976
parity-

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

105Nb

Nombor jisim105
nombor neutron64
jisim atom relatif
104.924942577 ± 0.000004324 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.91 ± 0.05 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1984
parity+

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

106Nb

Nombor jisim106
nombor neutron65
jisim atom relatif
105.928928505 ± 0.00000152 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
900 ± 20 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1976
parity-

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

107Nb

Nombor jisim107
nombor neutron66
jisim atom relatif
106.931589685 ± 0.000008612 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
286 ± 8 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1992
parity+

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

108Nb

Nombor jisim108
nombor neutron67
jisim atom relatif
107.936075604 ± 0.000008844 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
201 ± 4 ms
Spin2
nuclear quadrupole moment
tarikh penemuan1994
parity+

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

109Nb

Nombor jisim109
nombor neutron68
jisim atom relatif
108.939141 ± 0.0004625 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
106.9 ± 4.9 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1994
parity-

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

110Nb

Nombor jisim110
nombor neutron69
jisim atom relatif
109.943843 ± 0.0009 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
75 ± 1 ms
Spin5
nuclear quadrupole moment
tarikh penemuan1994
parity+

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

111Nb

Nombor jisim111
nombor neutron70
jisim atom relatif
110.947439 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
54 ± 2 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1997
parity-

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

112Nb

Nombor jisim112
nombor neutron71
jisim atom relatif
111.952689 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
38 ± 2 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1997
parity+

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

113Nb

Nombor jisim113
nombor neutron72
jisim atom relatif
112.956833 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
32 ± 4 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1997
parity-

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

114Nb

Nombor jisim114
nombor neutron73
jisim atom relatif
113.962469 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
17 ± 5 ms
Spin2
nuclear quadrupole moment
tarikh penemuan2010
parity-

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

115Nb

Nombor jisim115
nombor neutron74
jisim atom relatif
114.966849 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
23 ± 8 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan2010
parity-

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

116Nb

Nombor jisim116
nombor neutron75
jisim atom relatif
115.972914 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1
nuclear quadrupole moment
tarikh penemuan2018
parity-

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

sejarah

penemu atau perekaCharles Hatchet
tempat penemuanEngland
tarikh penemuan1801
EtimologiFrom Niobe; daughter of the mythical Greek king Tantalus.
sebutanni-OH-bee-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
0.00001 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)
0.000019 %
natural abundance (Matahari)
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