Tantalum-193
Properties and data of the isotope 193Ta.
See also: list of Tantalum isotopes.
General data
Name of the isotope:Tantalum-193; Ta-193Symbol:193Ta or 19373TaMass number A:193 (= number of nucleons)Atomic number Z:73 (= number of protons)Neutrons N:120Isotopic mass:192.97759(43) u (atomic weight of Tantalum-193)Nuclide mass:192.9375476 u (calculated nuclear mass without electrons)Mass excess:-20.87478 MeVMass defect:1.633427256 u (per nucleus)Nuclear binding energy:1521.5276884 MeV (per nucleus)
7.88356315 MeV (average binding energy per nucleon)Separation energy:SN = 5.88(57) MeV (first neutron)Half-life:Spin and parity:
(nuclear angular momentum)Year of discovery:2012
Radioactive Decay
| Decay mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 193W | 100 % | 5.42(45) MeV | |
| β-, n | 192W | ? | 0.71(45) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 120) and isobaric (same nucleon number A = 193) with Tantalum-193. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 120 | Isobar A = 193 |
|---|
| 73 | 193Ta | 193Ta |
| 74 | 194W | 193W |
| 75 | 195Re | 193Re |
| 76 | 196Os | 193Os |
| 77 | 197Ir | 193Ir |
| 78 | 198Pt | 193Pt |
| 79 | 199Au | 193Au |
| 80 | 200Hg | 193Hg |
| 81 | 201Tl | 193Tl |
| 82 | 202Pb | 193Pb |
| 83 | 203Bi | 193Bi |
| 84 | 204Po | 193Po |
| 85 | 205At | 193At |
| 86 | 206Rn | 193Rn |
| 87 | 207Fr | |
| 88 | 208Ra | |
| 89 | 209Ac | |
| 90 | 210Th | |
Literature and References
[1] - J. Kurcewicz et al.:
Discovery and cross-section measurement of neutron-rich isotopes in the element range from neodymium to platinum with the FRS.
In: Physics Letters B, (2012), DOI 10.1016/j.physletb.2012.09.021.
Last update: 2020-10-20
Perma link: https://www.chemlin.org/isotope/tantalum-193
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