Isotopes of Tantalum
Notable Isotopes
177Ta [104 neutrons]
Abundance: synthetic
Half life: 56.56 hours
Decay Energy: 1.166 MeV
Decays to 177Hf.
178Ta [105 neutrons]
Abundance: synthetic
Half life: 2.36 hours [ Electron Capture ]
Decay Energy: 1.910 MeV
Decays to 178Hf.
179Ta [106 neutrons]
Abundance: synthetic
Half life: 1.82 years [ Electron Capture ]
Decay Energy: 0.110 MeV
Decays to 179Hf.
180Ta [107 neutrons]
Abundance: synthetic
Half life: 8.125 hours [ Electron Capture ]
Decay Energy: 0.854 MeV
Decays to 190Hf.
Half life: 8.125 hours [ beta- ]
Decay Energy: 0.708 MeV
Decays to 180W.
180mTa [107 neutrons]
Abundance: 0.012%
Half life: 1.2 x 1015 years [ Electron Capture ]
Decay Energy: 0.929 MeV
Decays to 180Hf.
Half life: 1.2 x 1015 years [ beta- ]
Decay Energy: 0.783 MeV
Decays to 180W.
Half life: 1.2 x 1015 years
Decay Energy: 0.075 MeV
Decays to 180Ta.
181Ta [108 neutrons]
Abundance: 99.988%
Stable with 108 neutrons
182Ta [109 neutrons]
Abundance: synthetic
Half life: 114.43 days [ beta- ]
Decay Energy: 1.814 MeV
Decays to 182W.
183Ta [110 neutrons]
Abundance: synthetic
Half life: 5.1 days [ beta- ]
Decay Energy: 1.070 MeV
Decays to 183W.