Lead-183m
Properties and data of the isotope 183Pb.
See also: list of Lead isotopes.
General data
Name of the isotope:Lead-183m; Pb-183mSymbol:183Pb or 18382PbMass number A:183 (= number of nucleons)Atomic number Z:82 (= number of protons)Neutrons N:101Isotopic mass:182.99187(3) u (atomic weight of Lead-183m)Nuclide mass:182.9468916 u (calculated nuclear mass without electrons)Mass excess:-7.57305 MeVMass defect:1.52493914 u (per nucleus)Nuclear binding energy:1420.47165928 MeV (per nucleus)
7.76214021 MeV (average binding energy per nucleon)Half-life:415(20) msDecay constant λ:1.670234170024 s-1Specific activity α:5.52658540712 × 10+21 Bq g-1
149367173165.49 Ci g-1Spin and parity:
(nuclear angular momentum)(13/2+)Magnetic dipole moment:μ(μN) = -1.245(6)Quadrupole moment Q:+1.70 barn (100 fm2)Nuclear g-factor:gl = -0.19153846153846
Radioactive Decay
Half-life T½ = 415(20) ms respectively 4.15 × 10-1 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
α | 179Hg | ca. 100 % | | |
Iso | 183Pb | ? | | |
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
Nuclear Isomer | Excitation Energy | Half-life | Spin |
---|
183Pb | | 535(30) ms | (3/2-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 101) and isobaric (same nucleon number A = 183) with Lead-183m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 101 | Isobar A = 183 |
59 | 160Pr | |
60 | 161Nd | |
61 | 162Pm | |
62 | 163Sm | |
63 | 164Eu | |
64 | 165Gd | |
65 | 166Tb | |
66 | 167Dy | |
67 | 168Ho | |
68 | 169Er | |
69 | 170Tm | |
70 | 171Yb | 183Yb |
71 | 172Lu | 183Lu |
72 | 173Hf | 183Hf |
73 | 174Ta | 183Ta |
74 | 175W | 183W |
75 | 176Re | 183Re |
76 | 177Os | 183Os |
77 | 178Ir | 183Ir |
78 | 179Pt | 183Pt |
79 | 180Au | 183Au |
80 | 181Hg | 183Hg |
81 | 182Tl | 183Tl |
82 | 183Pb | 183Pb |
83 | 184Bi | |
External data and identifiers
Last update: 2020-10-22
Perma link: https://www.chemlin.org/isotope/lead-183m
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