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

81Rb     Half-life Boson, 37p 44n 4.57 h Spin 3/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 1.21702MeV 81Kr Hide Ultimate Decay Products Yield Nuclide 100% 81Br Atomic Weight 80.918995913 Abundance None Mass Excess -75.454821MeV Binding Energy 8.64549MeV Magnetic Moment 2.0595 μ Quadrupole Moment 0.398   Show Element Pictures. Show only decay products of this isotope.

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