Yttrium-82m2
Properties and data of the isotope 82Y.
See also: list of Yttrium isotopes.
General data
Name of the isotope:Yttrium-82m2; Y-82m2Symbol:82Y or 8239YMass number A:82 (= number of nucleons)Atomic number Z:39 (= number of protons)Neutrons N:43Isotopic mass:81.926930(6) u (atomic weight of Yttrium-82m2)
Excitation energy: 507.50(13) keVNuclide mass:81.9055363 u (calculated nuclear mass without electrons)Mass excess:-68.06427 MeVMass defect:0.750837636 u (per nucleus)Nuclear binding energy:699.40075291 MeV (per nucleus)
8.52927747 MeV (average binding energy per nucleon)Half-life:147(7) nsDecay constant λ:4715286.9425847 s-1Specific activity α:3.505694094230 × 10+28 Bq g-1
9.474848903325 × 10+17 Ci g-1Spin and parity:
(nuclear angular momentum)6+
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 |
---|
82Y | | 8.30(20) s | 1+ |
82m1Y | 402.63(14) keV | 268(25) ns | 4- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 43) and isobaric (same nucleon number A = 82) with Yttrium-82m2. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 43 | Isobar A = 82 |
23 | 66V | |
24 | 67Cr | |
25 | 68Mn | |
26 | 69Fe | |
27 | 70Co | |
28 | 71Ni | |
29 | 72Cu | 82Cu |
30 | 73Zn | 82Zn |
31 | 74Ga | 82Ga |
32 | 75Ge | 82Ge |
33 | 76As | 82As |
34 | 77Se | 82Se |
35 | 78Br | 82Br |
36 | 79Kr | 82Kr |
37 | 80Rb | 82Rb |
38 | 81Sr | 82Sr |
39 | 82Y | 82Y |
40 | 83Zr | 82Zr |
41 | 84Nb | 82Nb |
42 | 85Mo | 82Mo |
43 | 86Tc | |
44 | 87Ru | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/yttrium-82m2
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