H Home Background Color: He Li Be Niobium Main Page Black White Gray B C N O F Ne Na Mg Niobium Pictures Page Al Si P S Cl Ar K Ca Niobium Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Isotopes of Niobium (click to see decay chain): 81Nb  82Nb  83Nb  84Nb  85Nb  86Nb  87Nb  88Nb  89Nb  90Nb  91Nb  92Nb  93Nb  94Nb  95Nb  96Nb  97Nb  98Nb  99Nb  100Nb  101Nb  102Nb  103Nb  104Nb  105Nb  106Nb  107Nb  108Nb  109Nb  110Nb  111Nb  112Nb  113Nb

99Nb     Half-life Boson, 41p 58n 15 s Spin 9/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 3.6389MeV 99Mo Hide Ultimate Decay Products Yield Nuclide 100% 99Ru Atomic Weight 98.911618375 Abundance None Mass Excess -82.326954MeV Binding Energy 8.5789MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show all decays, even very low-probability.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..