H Home Background Color: He Li Be Selenium Main Page Black White Gray B C N O F Ne Na Mg Selenium Pictures Page Al Si P S Cl Ar K Ca Selenium 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 Selenium (click to see decay chain): 65Se  66Se  67Se  68Se  69Se  70Se  71Se  72Se  73Se  74Se  75Se  76Se  77Se  78Se  79Se  80Se  81Se  82Se  83Se  84Se  85Se  86Se  87Se  88Se  89Se  90Se  91Se  92Se  93Se  94Se

87Se     Half-life Fermion, 34p 53n 5.5 s Spin 5/2 Parity 1 Show Decay Modes Show Ultimate Decay Products Atomic Weight 86.928521358 Abundance None Mass Excess -66.581926MeV Binding Energy 8.530882MeV 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..