H Home Background Color: He Li Be Krypton Main Page Black White Gray B C N O F Ne Na Mg Krypton Pictures Page Al Si P S Cl Ar K Ca Krypton 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 Krypton (click to see decay chain): 69Kr  70Kr  71Kr  72Kr  73Kr  74Kr  75Kr  76Kr  77Kr  78Kr  79Kr  80Kr  81Kr  82Kr  83Kr  84Kr  85Kr  86Kr  87Kr  88Kr  89Kr  90Kr  91Kr  92Kr  93Kr  94Kr  95Kr  96Kr  97Kr  98Kr  99Kr  100Kr

81Kr     Half-life Fermion, 36p 45n 229261.7960426 y Spin 7/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% ϵ 280.801keV 81Br Hide Ultimate Decay Products Yield Nuclide 100% 81Br Atomic Weight 80.916592015 Abundance None Mass Excess -77.694038MeV Binding Energy 8.682792MeV Magnetic Moment N/A Quadrupole Moment N/A   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..