Bismuth-223
Properties and data of the isotope 223Bi.
See also: list of Bismuth isotopes.
General data
Name of the isotope:Bismuth-223; Bi-223Symbol:223Bi or 22383BiMass number A:223 (= number of nucleons)Atomic number Z:83 (= number of protons)Neutrons N:140Isotopic mass:223.03450(43) u (atomic weight of Bismuth-223)Nuclide mass:222.9889731 u (calculated nuclear mass without electrons)Mass excess:32.13654 MeVMass defect:1.828065896 u (per nucleus)Nuclear binding energy:1702.83241373 MeV (per nucleus)
7.63601979 MeV (average binding energy per nucleon)Separation energy:SN = 4.66(50) MeV (first neutron)Half-life:300 nsDecay constant λ:2310490.6018665 s-1Specific activity α:6.239506663677 × 10+27 Bq g-1
1.686353152345 × 10+17 Ci g-1Spin and parity:
(nuclear angular momentum)Year of discovery:2009
Radioactive Decay
Half-life T½ = 300 ns respectively 3.0 × 10-7 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 223Po | ? | 5.06(45) MeV | |
| β-, n | 222Po | ? | 1.58(49) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 140) and isobaric (same nucleon number A = 223) with Bismuth-223. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 140 | Isobar A = 223 |
|---|
| 83 | 223Bi | 223Bi |
| 84 | 224Po | 223Po |
| 85 | 225At | 223At |
| 86 | 226Rn | 223Rn |
| 87 | 227Fr | 223Fr |
| 88 | 228Ra | 223Ra |
| 89 | 229Ac | 223Ac |
| 90 | 230Th | 223Th |
| 91 | 231Pa | 223Pa |
| 92 | 232U | 223U |
| 93 | 233Np | |
| 94 | 234Pu | |
| 95 | 235Am | 223Am |
| 96 | 236Cm | |
| 97 | 237Bk | |
| 98 | 238Cf | |
Literature and References
[1] - H. Alvarez-Pol, J. Benlliure, E. Casarejos, L. Audouin et al.:
Production cross-sections of neutron-rich Pb and Bi isotopes in the fragmentation of 238U.
In: Experimental Physics, (2009), DOI 10.1140/epja/i2009-10856-8.
Last update: 2020-10-23
Perma link: https://www.chemlin.org/isotope/bismuth-223
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