H Home Background Color: He Li Be Rubidium Main Page Black White Gray B C N O F Ne Na Mg Rubidium Pictures Page Al Si P S Cl Ar K Ca Rubidium 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 Rubidium (click to see decay chain): 71Rb  72Rb  73Rb  74Rb  75Rb  76Rb  77Rb  78Rb  79Rb  80Rb  81Rb  82Rb  83Rb  84Rb  85Rb  86Rb  87Rb  88Rb  89Rb  90Rb  91Rb  92Rb  93Rb  94Rb  95Rb  96Rb  97Rb  98Rb  99Rb  100Rb  101Rb  102Rb

91Rb     Half-life Boson, 37p 54n 58.4 s Spin 3/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 5.89996MeV 91Sr Hide Ultimate Decay Products Yield Nuclide 100% 91Zr Atomic Weight 90.916536958 Abundance None Mass Excess -77.745323MeV Binding Energy 8.607564MeV Magnetic Moment 2.1815 μ Quadrupole Moment 0.154   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..