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

181Ta     Half-life Boson, 73p 108n Stable Spin 7/2 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 180.947995763 Abundance 99.988% Mass Excess -48.441634MeV Binding Energy 8.023418MeV Magnetic Moment 2.3705 μ Quadrupole Moment 3.28   Show Element Pictures. 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..