Periodic Table of Elements

Nb - Niobium

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Nuclides / Isotopes

SpinHalf LifeDMDTBR
Nb8281.94341Syn >150ns    
Nb8382.93742Syn5/2+4.1sεZr83 7.500
Nb8483.93443Syn3+12sεZr84 9.600
 12sε + PY83 3.200
Nb8584.92844Syn9/2+20.9sεZr85 6.000
Nb8685.92545Syn5+88sεZr86 7.980
meta state 0.000MeVSyn 56sεZr86 7.980
Nb8786.920446Syn9/2+2.6mεZr87 5.170
meta state 0.000MeVSyn1/2-3.7mεZr87 5.170
Nb8887.91847Syn8+14.5mεZr88 7.200
meta state 0.000MeVSyn4-7.8mεZr88 7.200
Nb8988.913548Syn9/2+1.9hεZr89 4.290
meta state 0.000MeVSyn1/2-1.18hεZr89 4.290
Nb9089.911349Syn8+14.6hεZr90 6.111
meta state 0.125MeVSyn4-18.81sITNb90 0.125
Nb9190.90750Syn9/2+680yεZr91 1.253
meta state 0.104MeVSyn1/2-60.86dIT 930.104
Nb9291.907251Syn7+3.47E 7yβ-Mo92<0.050.356
 3.47E 7yεZr92 2.006
meta state 0.135MeVSyn2+10.15dεZr92 2.141
meta state 0.030MeVSyn1/2-16.13yIT  0.031
Nb9493.907353Syn6+20300yβ-Mo94 2.045
meta state 0.041MeVSyn3+6.263mIT 99.50.041
Nb9594.906854Syn9/2+34.975dβ-Mo95 0.926
meta state 0.235MeVSyn1/2-86.6hIT 94.40.236
Nb9695.908155Syn6+23.35hβ-Mo96 3.187
Nb9796.908156Syn9/2+72.1mβ-Mo97 1.934
meta state 0.743MeVSyn1/2-52.7sIT  0.743
Nb9897.910357Syn1+2.86sβ-Mo98 4.586
meta state 0.084MeVSyn5+51.3mβ-Mo9899.94.670
Nb9998.911658Syn9/2+15sβ-Mo99 3.639
meta state 0.365MeVSyn1/2-2.6mβ-Mo99>96.24.004
 2.6mIT <3.80.365
Nb10099.914259Syn1+1.5sβ-Mo100 6.250
meta state 0.500MeVSyn4+, 5+2.99sβ-Mo100 6.750
Nb101100.915360Syn5/2+7.1sβ-Mo101 4.569
Nb102101.91861Syn1+1.3sβ-Mo102 7.210
meta state 0.000MeVSyn 4.3sβ-Mo102 7.210
Nb103102.919162Syn5/2+1.5sβ-Mo103 5.530
Nb104103.92263Syn1+4.8sβ- + NMo1030.710.550
 4.8sβ-Mo104 8.110
meta state 0.215MeVSyn 0.92sβ-Mo104 8.325
Nb105104.92464Syn5/2+2.95sβ-Mo105 6.490
Nb106105.92865Syn 1.02sβ-Mo106 9.300
Nb107106.9366Syn 330msβ-Mo107 7.900
Nb109108.93868Syn 0.19sβ- + NMo108315.000
 0.19sβ-Mo109 9.100
Nb110109.94369Syn 0.17sβ- + NMo109405.800
 0.17sβ-Mo110 12.100
NuclidePotential Parent Nuclides
Nb81None known
Nb82None known
Nb83None known
Nb84Mo84 (Syn)
Nb85None known
Nb86Mo86 (Syn)
meta state 0.000MeVNone known
Nb87Mo87 (Syn)
meta state 0.000MeVNone known
Nb88Mo88 (Syn)
meta state 0.000MeVNone known
Nb89Mo89 (Syn)
meta state 0.000MeVNone known
Nb90Mo90 (Syn) Nb90m (Syn)
meta state 0.125MeVNone known
Nb91Mo91 (Syn) Mo91m (Syn)
meta state 0.104MeVNone known
Nb92None known
meta state 0.135MeVNone known
Nb93Mo93 (Syn) Mo93m (Syn) Zr93 (Syn)
meta state 0.030MeVNone known
Nb94None known
meta state 0.041MeVNone known
Nb95Zr95 (Syn)
meta state 0.235MeVNone known
Nb96None known
Nb97Zr97 (Syn)
meta state 0.743MeVNone known
Nb98Nb98m (Syn) Zr98 (Syn)
meta state 0.084MeVNone known
Nb99Zr99 (Syn)
meta state 0.365MeVNone known
Nb100Zr100 (Syn)
meta state 0.500MeVNone known
Nb101Zr101 (Syn)
Nb102Zr102 (Syn)
meta state 0.000MeVNone known
Nb103Zr103 (Syn)
Nb104Zr104 (Syn)
meta state 0.215MeVNone known
Nb105Zr105 (Syn)
Nb106None known
Nb107None known
Nb108None known
Nb109None known
Nb110None known


  • NN = Number of Neutrons
  • Abun % = Natural Abundance (as a percentage)
  • Syn = Synthetic Nuclide (does not occur in nature)
  • DM = Decay Mode
    α = Alpha emission
    β- = Beta emission
    β- β- = Double beta decay
    β+ = Positron emission
    ε = Electron Capture
    IT = Isomeric Transition
    N = Neutron emission
    P = Proton emission
    SF = Spontaneous Fission
  • DT = Decays To
  • BR % = Branch Ratio (as a percentage)

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