H Home Background Color: He Li Be Tantalum Main Page Black White Gray B C N O F Ne Na Mg Tantalum Pictures Page Al Si P S Cl Ar K Ca Tantalum 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 Tantalum (click to see decay chain): 155Ta  156Ta  157Ta  158Ta  159Ta  160Ta  161Ta  162Ta  163Ta  164Ta  165Ta  166Ta  167Ta  168Ta  169Ta  170Ta  171Ta  172Ta  173Ta  174Ta  175Ta  176Ta  177Ta  178Ta  179Ta  180Ta  181Ta  182Ta  183Ta  184Ta  185Ta  186Ta  187Ta  188Ta  189Ta  190Ta

185Ta     Half-life Boson, 73p 112n 49.33333333333 m Spin 7/2 Parity 1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100% 185Re Atomic Weight 184.955559375 Abundance None Mass Excess -41.396176MeV Binding Energy 7.98637MeV Magnetic Moment N/A Quadrupole Moment N/A   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..