H Home Background Color: He Li Be Antimony Main Page Black White Gray B C N O F Ne Na Mg Antimony Pictures Page Al Si P S Cl Ar K Ca Antimony 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 Antimony (click to see decay chain): 103Sb  104Sb  105Sb  106Sb  107Sb  108Sb  109Sb  110Sb  111Sb  112Sb  113Sb  114Sb  115Sb  116Sb  117Sb  118Sb  119Sb  120Sb  121Sb  122Sb  123Sb  124Sb  125Sb  126Sb  127Sb  128Sb  129Sb  130Sb  131Sb  132Sb  133Sb  134Sb  135Sb  136Sb  137Sb  138Sb  139Sb

121Sb     Half-life Boson, 51p 70n Stable Spin 5/2 Parity 1 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it. Atomic Weight 120.903815686 Abundance 57.21% Mass Excess -89.595111MeV Binding Energy 8.482023MeV Magnetic Moment 3.3634 μ Quadrupole Moment -0.36   Show Element Pictures.

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