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Periodic Table of Elements

Ta - Tantalum

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Nuclides / Isotopes

Nuc-
lide		Atomic
Mass		NNAbun
%		SpinHalf LifeDMDTBR
%		Decay
Energy
(MeV)
Ta156155.97283Syn2-144msECHf156501.029
 144msPHf155501.029
Ta157156.96884Syn1/2+10.1msaLu153>776.380
Ta158157.96685Syn2-36.5msaLu154936.210
 36.5msECHf158710.900
Ta159158.96386Syn 0.57saLu155805.750
 0.57sECHf159208.490
Ta160159.96187Syn9+1.55sECHf160669.900
 1.55saLu156345.450
Ta161160.958488Syn 2.7sECHf161~957.490
 2.7saLu157~55.280
Ta162161.95789Syn 3.52sECHf16299.929.260
 3.52saLu1580.085.010
Ta163162.954390Syn 10.6sECHf163~99.86.800
 10.6saLu159~0.24.750
Ta164163.95491Syn3+14.2sECHf164 8.500
Ta165164.95192Syn 31sECHf165 5.800
Ta166165.9593Syn2+34.4sECHf166 7.700
Ta167166.94894Syn3/2+1.4mECHf167 5.000
Ta168167.94895Syn3+2mECHf168 6.700
Ta169168.94696Syn5/2-4.9mECHf169 4.440
Ta170169.94697Syn3+6.76mECHf170 6.000
Ta171170.94498Syn5/2-23.3mECHf171 3.700
Ta172171.94599Syn3+36.8mECHf172 4.920
Ta173172.944100Syn5/2-3.14hECHf173 2.790
Ta174173.9442101Syn3+1.05hECHf174 3.850
Ta175174.944102Syn7/2+10.5hECHf175 2.000
Ta176175.945103Syn1-8.09hECHf176 3.110
Ta177176.9445104Syn7/2+56.56hECHf177 1.166
Ta178177.946105Syn1+9.31mECHf178 1.910
meta state 0.000MeVSyn7-2.36hECHf178 1.910
meta state 1.471MeVSyn15-60msITTa178 1.471
Ta179178.9459106Syn7/2+1.82yECHf179 0.110
meta state 1.318MeVSyn25/2+9msITTa179 1.318
meta state 2.641MeVSyn37/2+52msITTa179 2.641
Ta180179.94751070.0121+8.125hECHf180860.854
 8.125hb+W180140.708
meta state 0.075MeVSyn9->1.2E 15yb-W180  
 >1.2E 15yECHf180  
Ta181180.94810899.9887/2+Stable 
Ta182181.9502109Syn3-114.43db-W182 1.814
meta state 0.016MeVSyn5+283msIT  0.016
meta state 0.520MeVSyn10-15.84mIT  0.520
Ta183182.9514110Syn1/2+5.1db-W183 1.070
Ta184183.954111Syn5-8.7hb-W184 2.870
Ta185184.9556112Syn7/2+49.4mb-W185 1.992
Ta186185.9586113Syn2-, 3-10.5mb-W186 3.900
Ta187186.96114Syn      
Ta188 115Syn      
NuclidePotential Parent Nuclides
Ta156 Re160 (Syn)
Ta157 Re161 (Syn)
Ta158 Re162 (Syn)
Ta159 Re163 (Syn) W159 (Syn)
Ta160 Re164 (Syn)
Ta161 Re165 (Syn) W161 (Syn)
Ta162 Re166 (Syn) W162 (Syn)
Ta163 Re167 (Syn) W163 (Syn)
Ta164 Re168 (Syn) W164 (Syn)
Ta165 Re169 (Syn) W165 (Syn)
Ta166 W166 (Syn)
Ta167 W167 (Syn)
Ta168 W168 (Syn)
Ta169 W169 (Syn)
Ta170 W170 (Syn)
Ta171 W171 (Syn)
Ta172 W172 (Syn)
Ta173 W173 (Syn)
Ta174 W174 (Syn)
Ta175 W175 (Syn)
Ta176 W176 (Syn)
Ta177 W177 (Syn)
Ta178 Ta178m1 (Syn) W178 (Syn)
meta state 0.000MeV None known
meta state 1.471MeV None known
Ta179 Ta179m (Syn) Ta179m1 (Syn) W179 (Syn) W179m (Syn)
meta state 1.318MeV None known
meta state 2.641MeV None known
Ta180 Hf180m (Syn)
meta state 0.075MeV None known
Ta181 Hf181 (Syn) W181 (Syn)
Ta182 Hf182 (Syn) Hf182m (Syn)
meta state 0.016MeV None known
meta state 0.520MeV None known
Ta183 Hf183 (Syn) Re187 (Natural)
Ta184 Hf184 (Syn) Hf184m (Syn)
Ta185 None known
Ta186 None known
Ta187 None known
Ta188 None known

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