Tellurium-119m
Properties and data of the isotope 119Te.
See also: list of Tellurium isotopes.
General data
Name of the isotope:Tellurium-119m; Te-119mSymbol:119Te or 11952TeMass number A:119 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:67Isotopic mass:118.906407(9) u (atomic weight of Tellurium-119m)
Excitation energy: 260.96(5) keVNuclide mass:118.8778826 u (calculated nuclear mass without electrons)Mass excess:-87.18132 MeVMass defect:1.081044036 u (per nucleus)Nuclear binding energy:1006.98603327 MeV (per nucleus)
8.46206751 MeV (average binding energy per nucleon)Half-life:4.70(4) dDecay constant λ:1.706922725965 × 10-6 s-1Specific activity α:8.711295841347 × 10+15 Bq g-1
235440.42814452 Ci g-1Spin and parity:
(nuclear angular momentum)11/2-Magnetic dipole moment:μ(μN) = 0.894(6)Nuclear g-factor:gl = 0.16254545454545
Radioactive Decay
Half-life T½ = 4.70(4) d respectively 4.06080 × 105 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EE/β+ | 119Sb | > 99 % | | |
β+ | 119Sb | 0.41(4) % | | |
Iso | 119Te | < 0.008 % | | |
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 |
---|
119Te | | 16.05(5) h | 1/2+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 67) and isobaric (same nucleon number A = 119) with Tellurium-119m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 67 | Isobar A = 119 |
38 | 105Sr | |
39 | 106Y | |
40 | 107Zr | |
41 | 108Nb | |
42 | 109Mo | |
43 | 110Tc | 119Tc |
44 | 111Ru | 119Ru |
45 | 112Rh | 119Rh |
46 | 113Pd | 119Pd |
47 | 114Ag | 119Ag |
48 | 115Cd | 119Cd |
49 | 116In | 119In |
50 | 117Sn | 119Sn |
51 | 118Sb | 119Sb |
52 | 119Te | 119Te |
53 | 120I | 119I |
54 | 121Xe | 119Xe |
55 | 122Cs | 119Cs |
56 | 123Ba | 119Ba |
57 | 124La | 119La |
58 | 125Ce | 119Ce |
59 | 126Pr | |
60 | 127Nd | |
61 | 128Pm | |
62 | 129Sm | |
63 | 130Eu | |
Last update: 2020-10-18
Perma link: https://www.chemlin.org/isotope/tellurium-119m
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