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

157Ta     Half-life Boson, 73p 84n 10.1 ms Spin 1/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 96% α 6.35452MeV 153Lu 3.4% p 934.65keV 156Hf 1% β+ 8.104MeV 157Hf Show Ultimate Decay Products Atomic Weight 156.968192445 Abundance None Mass Excess -29.628547MeV Binding Energy 7.896268MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show only decays with probability >0.1%. Show Decay Image Smaller.

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