Thulium-152m1
Properties and data of the isotope 152Tm.
See also: list of Thulium isotopes.
General data
Name of the isotope:Thulium-152m1; Tm-152m1Symbol:152Tm or 15269TmMass number A:152 (= number of nucleons)Atomic number Z:69 (= number of protons)Neutrons N:83Isotopic mass:151.94448(6) u (atomic weight of Thulium-152m1)
Excitation energy: +x keVNuclide mass:151.9066314 u (calculated nuclear mass without electrons)Mass excess:-51.71655 MeVMass defect:1.314635236 u (per nucleus)Nuclear binding energy:1224.57483452 MeV (per nucleus)
8.05641339 MeV (average binding energy per nucleon)Half-life:5.2(6) sDecay constant λ:0.13329753472307 s-1Specific activity α:5.31613596281 × 10+20 Bq g-1
14367935034.627 Ci g-1Spin and parity:
(nuclear angular momentum)(9)+
Radioactive Decay
Half-life T½ = 5.2(6) s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EE/β+ | 152Er | 100 % | | |
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 |
---|
152Tm | | 8.0(10) s | (2)- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 83) and isobaric (same nucleon number A = 152) with Thulium-152m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 83 | Isobar A = 152 |
46 | 129Pd | |
47 | 130Ag | |
48 | 131Cd | |
49 | 132In | |
50 | 133Sn | |
51 | 134Sb | |
52 | 135Te | |
53 | 136I | |
54 | 137Xe | |
55 | 138Cs | |
56 | 139Ba | 152Ba |
57 | 140La | 152La |
58 | 141Ce | 152Ce |
59 | 142Pr | 152Pr |
60 | 143Nd | 152Nd |
61 | 144Pm | 152Pm |
62 | 145Sm | 152Sm |
63 | 146Eu | 152Eu |
64 | 147Gd | 152Gd |
65 | 148Tb | 152Tb |
66 | 149Dy | 152Dy |
67 | 150Ho | 152Ho |
68 | 151Er | 152Er |
69 | 152Tm | 152Tm |
70 | 153Yb | 152Yb |
71 | 154Lu | 152Lu |
72 | 155Hf | |
73 | 156Ta | |
74 | 157W | |
Last update: 2020-10-10
Perma link: https://www.chemlin.org/isotope/thulium-152m1
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