Nioobium

Nioobium (Nb)

chemical element with symbol Nb and atomic number 41
Atomic Number41
Atomic Weight92.90637
massiarv93
Group5
Period5
Blockd
prooton41 p+
neutron52 n0
elektron41 e-
Animated Bohri aatomiteooria of Nb (Nioobium)

Füüsikalised Omadused

Aatomiraadius
molaarruumala
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Nioobium0102030405060708090100110120130140150160170180190200210220pmAatomiraadiusCovalent RadiusMetallic RadiusVan der Waals radius

Keemilised Omadused

energia
proton affinity
Elektronafiinsus
ionization energy
ionization energy of Nb (Nioobium)
aurustumissoojus
sulamissoojus
standard enthalpy of formation
elektron
elektronkiht2, 8, 18, 12, 1
Bohri aatomiteooria: Nb (Nioobium)
valentselektron1
Lewis structure: Nb (Nioobium)
elektronkonfiguratsioon[Kr] 4d4 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d4 5s1
Enhanced Bohri aatomiteooria of Nb (Nioobium)
Orbital Diagram of Nb (Nioobium)
oksüdatsiooniaste-3, -1, 0, 1, 2, 3, 4, 5
elektronegatiivsus
1.6
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
kolmikpunkt
Välimus
värvus
Gray
Välimusgray metallic, bluish when oxidized
Murdumisnäitaja
thermodynamic material property
Thermal Conductivity
soojuspaisumine
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Elektrijuhtivus
Eritakistus
Ülijuhtivus
Magnetism
typeparamagnetic
Magnetiline vastuvõtlikkus (Mass)
0,0000000276 m³/Kg
Magnetiline vastuvõtlikkus (Molar)
0,00000000256 m³/mol
Magnetiline vastuvõtlikkus (Volume)
0,000237
magnetic ordering
Curie punkt
Néel temperature
struktuur
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
kõvadus
Ruumpaisumismoodul
Nihkeelastsusmoodul
Normaalelastsusmoodul
Poissoni tegur
0,4
heli kiirus
Klassifitseerimine
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number53
Mendeleev Number48
Pettifor Number52
Geochemical Classhigh field strength
Goldschmidt classificationlitophile

teine

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
1,15
Neutron Mass Absorption
0,0004
Kvantarv6D1/2
space group229 (Im_3m)

Isotopes of Niobium

Stable Isotopes1
Unstable Isotopes37
Natural Isotopes1

79Nb

massiarv79
neutron number38
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn9/2
nuclear quadrupole moment
avastamise aeg
parity+

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

80Nb

massiarv80
neutron number39
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn4
nuclear quadrupole moment
avastamise aeg
parity-

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

81Nb

massiarv81
neutron number40
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn9/2
nuclear quadrupole moment
avastamise aeg
parity+

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

82Nb

massiarv82
neutron number41
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
51 ± 5 ms
spinn0
nuclear quadrupole moment
0
avastamise aeg1992
parity+

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

83Nb

massiarv83
neutron number42
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,9 ± 0,2 s
spinn9/2
nuclear quadrupole moment
avastamise aeg1988
parity+

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

84Nb

massiarv84
neutron number43
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
9,8 ± 0,9 s
spinn1
nuclear quadrupole moment
avastamise aeg1977
parity+

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

85Nb

massiarv85
neutron number44
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
20,5 ± 0,7 s
spinn9/2
nuclear quadrupole moment
avastamise aeg1988
parity+

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

86Nb

massiarv86
neutron number45
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
88 ± 1 s
spinn6
nuclear quadrupole moment
avastamise aeg1974
parity+

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

87Nb

massiarv87
neutron number46
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,7 ± 0,1 m
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1971
parity

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

88Nb

massiarv88
neutron number47
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
14,5 ± 0,11 m
spinn8
nuclear quadrupole moment
avastamise aeg1964
parity+

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

89Nb

massiarv89
neutron number48
Relative Atomic Mass
g-factor
1,3813333333333 ± 0,0011111111111111
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,03 ± 0,07 h
spinn9/2
nuclear quadrupole moment
avastamise aeg1954
parity+

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

90Nb

massiarv90
neutron number49
Relative Atomic Mass
g-factor
0,61825 ± 0,0005
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
14,6 ± 0,05 h
spinn8
nuclear quadrupole moment
0,01 ± 0,04
avastamise aeg1951
parity+

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

91Nb

massiarv91
neutron number50
Relative Atomic Mass
g-factor
1,4473333333333 ± 0,00066666666666667
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
680 ± 130 y
spinn9/2
nuclear quadrupole moment
−0,25 ± 0,03
avastamise aeg1951
parity+

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

92Nb

massiarv92
neutron number51
Relative Atomic Mass
g-factor
0,73285714285714 ± 0,00057142857142857
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
34,7 ± 2,4 My
spinn7
nuclear quadrupole moment
−0,35 ± 0,03
avastamise aeg1938
parity+

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

93Nb

massiarv93
neutron number52
Relative Atomic Mass
g-factor
natural abundance
100
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn9/2
nuclear quadrupole moment
−0,32 ± 0,02
avastamise aeg1932
parity+

94Nb

massiarv94
neutron number53
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
20,4 ± 0,4 ky
spinn6
nuclear quadrupole moment
avastamise aeg1938
parity+

decay modeIntensiivsus
β (β decay)100%

95Nb

massiarv95
neutron number54
Relative Atomic Mass
g-factor
1,3646666666667 ± 0,0011111111111111
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
34,991 ± 0,006 d
spinn9/2
nuclear quadrupole moment
avastamise aeg1951
parity+

decay modeIntensiivsus
β (β decay)100%

96Nb

massiarv96
neutron number55
Relative Atomic Mass
g-factor
0,82916666666667 ± 0,00066666666666667
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
23,35 ± 0,05 h
spinn6
nuclear quadrupole moment
avastamise aeg1949
parity+

decay modeIntensiivsus
β (β decay)100%

97Nb

massiarv97
neutron number56
Relative Atomic Mass
g-factor
1,3673333333333 ± 0,0011111111111111
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
72,1 ± 0,7 m
spinn9/2
nuclear quadrupole moment
avastamise aeg1951
parity+

decay modeIntensiivsus
β (β decay)100%

98Nb

massiarv98
neutron number57
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,86 ± 0,06 s
spinn1
nuclear quadrupole moment
avastamise aeg1960
parity+

decay modeIntensiivsus
β (β decay)100%

99Nb

massiarv99
neutron number58
Relative Atomic Mass
g-factor
1,3244444444444 ± 0,0066666666666667
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
15 ± 0,2 s
spinn9/2
nuclear quadrupole moment
−0,41 ± 0,14
avastamise aeg1950
parity+

decay modeIntensiivsus
β (β decay)100%

100Nb

massiarv100
neutron number59
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,5 ± 0,2 s
spinn1
nuclear quadrupole moment
avastamise aeg1967
parity+

decay modeIntensiivsus
β (β decay)100%

101Nb

massiarv101
neutron number60
Relative Atomic Mass
g-factor
1,2744 ± 0,0008
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
7,1 ± 0,3 s
spinn5/2
nuclear quadrupole moment
1,05 ± 0,07
avastamise aeg1970
parity+

decay modeIntensiivsus
β (β decay)100%

102Nb

massiarv102
neutron number61
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,3 ± 0,4 s
spinn4
nuclear quadrupole moment
avastamise aeg1972
parity+

decay modeIntensiivsus
β (β decay)100%

103Nb

massiarv103
neutron number62
Relative Atomic Mass
g-factor
1,2532 ± 0,0016
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,34 ± 0,07 s
spinn5/2
nuclear quadrupole moment
1,08 ± 0,09
avastamise aeg1971
parity+

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

104Nb

massiarv104
neutron number63
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
0,98 ± 0,05 s
spinn5
nuclear quadrupole moment
avastamise aeg1976
parity-

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

105Nb

massiarv105
neutron number64
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,91 ± 0,05 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1984
parity+

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

106Nb

massiarv106
neutron number65
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
900 ± 20 ms
spinn1
nuclear quadrupole moment
avastamise aeg1976
parity-

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

107Nb

massiarv107
neutron number66
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
286 ± 8 ms
spinn5/2
nuclear quadrupole moment
avastamise aeg1992
parity+

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

108Nb

massiarv108
neutron number67
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
201 ± 4 ms
spinn2
nuclear quadrupole moment
avastamise aeg1994
parity+

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

109Nb

massiarv109
neutron number68
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
106,9 ± 4,9 ms
spinn3/2
nuclear quadrupole moment
avastamise aeg1994
parity-

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

110Nb

massiarv110
neutron number69
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
75 ± 1 ms
spinn5
nuclear quadrupole moment
avastamise aeg1994
parity+

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

111Nb

massiarv111
neutron number70
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
54 ± 2 ms
spinn3/2
nuclear quadrupole moment
avastamise aeg1997
parity-

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

112Nb

massiarv112
neutron number71
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
38 ± 2 ms
spinn1
nuclear quadrupole moment
avastamise aeg1997
parity+

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

113Nb

massiarv113
neutron number72
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
32 ± 4 ms
spinn3/2
nuclear quadrupole moment
avastamise aeg1997
parity-

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

114Nb

massiarv114
neutron number73
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
17 ± 5 ms
spinn2
nuclear quadrupole moment
avastamise aeg2010
parity-

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

115Nb

massiarv115
neutron number74
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
23 ± 8 ms
spinn3/2
nuclear quadrupole moment
avastamise aeg2010
parity-

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

116Nb

massiarv116
neutron number75
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1
nuclear quadrupole moment
avastamise aeg2018
parity-

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

ajalugu

leiutaja või avastajaCharles Hatchet
location of discoveryEngland
avastamise aeg1801
etümoloogiaFrom Niobe; daughter of the mythical Greek king Tantalus.
pronunciationni-OH-bee-em (inglise)

allikas

Abundance
Abundance in Earth's crust
natural abundance (ookean)
natural abundance (Inimkeha)
natural abundance (meteoorkeha)
0,000019 %
natural abundance (Päike)
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