Niobijs

Niobijs (Nb)

chemical element with symbol Nb and atomic number 41
Atomic Number41
Atomic Weight92.90637
Masas skaitlis93
Group5
Period5
Blockd
protons41 p+
neitrons52 n0
elektrons41 e-
Animated Bora atoma struktūras modelis of Nb (Niobijs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
blīvums
Atomic Radii Of The Elements: Niobijs0102030405060708090100110120130140150160170180190200210220pmAtoma RādiussCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerģija
proton affinity
Elektrontieksme
jonizācijas potenciāls
jonizācijas potenciāls of Nb (Niobijs)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons
electron shell2, 8, 18, 12, 1
Bora atoma struktūras modelis: Nb (Niobijs)
vērtības elektrons1
Lewis structure: Nb (Niobijs)
elektronu konfigurācija[Kr] 4d4 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d4 5s1
Enhanced Bora atoma struktūras modelis of Nb (Niobijs)
Orbital Diagram of Nb (Niobijs)
Oksidēšanas pakāpe-3, -1, 0, 1, 2, 3, 4, 5
elektronegativitāte
1.6
Electrophilicity Index
fundamentālais agregātstāvoklis
agregātstāvoklisSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa
Gray
appearancegray metallic, bluish when oxidized
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000276 m³/Kg
magnetic susceptibility (Molar)
0,00000000256 m³/mol
magnetic susceptibility (Volume)
0,000237
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
0,4
skaņas ātrums
klasifikācija
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number53
Mendeleev Number48
Pettifor Number52
Geochemical Classhigh field strength
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
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

Masas skaitlis79
neutron number38
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins9/2
nuclear quadrupole moment
atklāšanas datums
parity+

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

80Nb

Masas skaitlis80
neutron number39
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins4
nuclear quadrupole moment
atklāšanas datums
parity-

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

81Nb

Masas skaitlis81
neutron number40
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins9/2
nuclear quadrupole moment
atklāšanas datums
parity+

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

82Nb

Masas skaitlis82
neutron number41
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
51 ± 5 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1992
parity+

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

83Nb

Masas skaitlis83
neutron number42
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
3,9 ± 0,2 s
spins9/2
nuclear quadrupole moment
atklāšanas datums1988
parity+

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

84Nb

Masas skaitlis84
neutron number43
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
9,8 ± 0,9 s
spins1
nuclear quadrupole moment
atklāšanas datums1977
parity+

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

85Nb

Masas skaitlis85
neutron number44
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
20,5 ± 0,7 s
spins9/2
nuclear quadrupole moment
atklāšanas datums1988
parity+

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

86Nb

Masas skaitlis86
neutron number45
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
88 ± 1 s
spins6
nuclear quadrupole moment
atklāšanas datums1974
parity+

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

87Nb

Masas skaitlis87
neutron number46
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
3,7 ± 0,1 m
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1971
parity

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

88Nb

Masas skaitlis88
neutron number47
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
14,5 ± 0,11 m
spins8
nuclear quadrupole moment
atklāšanas datums1964
parity+

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

89Nb

Masas skaitlis89
neutron number48
Relative Atomic Mass
g-factor
1,3813333333333 ± 0,0011111111111111
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,03 ± 0,07 h
spins9/2
nuclear quadrupole moment
atklāšanas datums1954
parity+

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

90Nb

Masas skaitlis90
neutron number49
Relative Atomic Mass
g-factor
0,61825 ± 0,0005
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
14,6 ± 0,05 h
spins8
nuclear quadrupole moment
0,01 ± 0,04
atklāšanas datums1951
parity+

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

91Nb

Masas skaitlis91
neutron number50
Relative Atomic Mass
g-factor
1,4473333333333 ± 0,00066666666666667
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
680 ± 130 y
spins9/2
nuclear quadrupole moment
-0,25 ± 0,03
atklāšanas datums1951
parity+

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

92Nb

Masas skaitlis92
neutron number51
Relative Atomic Mass
g-factor
0,73285714285714 ± 0,00057142857142857
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
34,7 ± 2,4 My
spins7
nuclear quadrupole moment
-0,35 ± 0,03
atklāšanas datums1938
parity+

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

93Nb

Masas skaitlis93
neutron number52
Relative Atomic Mass
g-factor
natural abundance
100
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins9/2
nuclear quadrupole moment
-0,32 ± 0,02
atklāšanas datums1932
parity+

94Nb

Masas skaitlis94
neutron number53
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
20,4 ± 0,4 ky
spins6
nuclear quadrupole moment
atklāšanas datums1938
parity+

decay modeintensity
β (β decay)100%

95Nb

Masas skaitlis95
neutron number54
Relative Atomic Mass
g-factor
1,3646666666667 ± 0,0011111111111111
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
34,991 ± 0,006 d
spins9/2
nuclear quadrupole moment
atklāšanas datums1951
parity+

decay modeintensity
β (β decay)100%

96Nb

Masas skaitlis96
neutron number55
Relative Atomic Mass
g-factor
0,82916666666667 ± 0,00066666666666667
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
23,35 ± 0,05 h
spins6
nuclear quadrupole moment
atklāšanas datums1949
parity+

decay modeintensity
β (β decay)100%

97Nb

Masas skaitlis97
neutron number56
Relative Atomic Mass
g-factor
1,3673333333333 ± 0,0011111111111111
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
72,1 ± 0,7 m
spins9/2
nuclear quadrupole moment
atklāšanas datums1951
parity+

decay modeintensity
β (β decay)100%

98Nb

Masas skaitlis98
neutron number57
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,86 ± 0,06 s
spins1
nuclear quadrupole moment
atklāšanas datums1960
parity+

decay modeintensity
β (β decay)100%

99Nb

Masas skaitlis99
neutron number58
Relative Atomic Mass
g-factor
1,3244444444444 ± 0,0066666666666667
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
15 ± 0,2 s
spins9/2
nuclear quadrupole moment
-0,41 ± 0,14
atklāšanas datums1950
parity+

decay modeintensity
β (β decay)100%

100Nb

Masas skaitlis100
neutron number59
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,5 ± 0,2 s
spins1
nuclear quadrupole moment
atklāšanas datums1967
parity+

decay modeintensity
β (β decay)100%

101Nb

Masas skaitlis101
neutron number60
Relative Atomic Mass
g-factor
1,2744 ± 0,0008
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
7,1 ± 0,3 s
spins5/2
nuclear quadrupole moment
1,05 ± 0,07
atklāšanas datums1970
parity+

decay modeintensity
β (β decay)100%

102Nb

Masas skaitlis102
neutron number61
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
4,3 ± 0,4 s
spins4
nuclear quadrupole moment
atklāšanas datums1972
parity+

decay modeintensity
β (β decay)100%

103Nb

Masas skaitlis103
neutron number62
Relative Atomic Mass
g-factor
1,2532 ± 0,0016
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,34 ± 0,07 s
spins5/2
nuclear quadrupole moment
1,08 ± 0,09
atklāšanas datums1971
parity+

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

104Nb

Masas skaitlis104
neutron number63
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
0,98 ± 0,05 s
spins5
nuclear quadrupole moment
atklāšanas datums1976
parity-

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

105Nb

Masas skaitlis105
neutron number64
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,91 ± 0,05 s
spins5/2
nuclear quadrupole moment
atklāšanas datums1984
parity+

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

106Nb

Masas skaitlis106
neutron number65
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
900 ± 20 ms
spins1
nuclear quadrupole moment
atklāšanas datums1976
parity-

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

107Nb

Masas skaitlis107
neutron number66
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
286 ± 8 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1992
parity+

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

108Nb

Masas skaitlis108
neutron number67
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
201 ± 4 ms
spins2
nuclear quadrupole moment
atklāšanas datums1994
parity+

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

109Nb

Masas skaitlis109
neutron number68
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
106,9 ± 4,9 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums1994
parity-

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

110Nb

Masas skaitlis110
neutron number69
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
75 ± 1 ms
spins5
nuclear quadrupole moment
atklāšanas datums1994
parity+

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

111Nb

Masas skaitlis111
neutron number70
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
54 ± 2 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums1997
parity-

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

112Nb

Masas skaitlis112
neutron number71
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
38 ± 2 ms
spins1
nuclear quadrupole moment
atklāšanas datums1997
parity+

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

113Nb

Masas skaitlis113
neutron number72
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
32 ± 4 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums1997
parity-

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

114Nb

Masas skaitlis114
neutron number73
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
17 ± 5 ms
spins2
nuclear quadrupole moment
atklāšanas datums2010
parity-

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

115Nb

Masas skaitlis115
neutron number74
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
23 ± 8 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums2010
parity-

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

116Nb

Masas skaitlis116
neutron number75
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins1
nuclear quadrupole moment
atklāšanas datums2018
parity-

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

vēsture

atklājējs vai izgudrotājsCharles Hatchet
atraduma atrašanās vietaEngland
atklāšanas datums1801
EtimoloģijaFrom Niobe; daughter of the mythical Greek king Tantalus.
izrunani-OH-bee-em (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)
natural abundance (meteoroīds)
0,000019 %
natural abundance (Saule)
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