Yttrium-98m3
Properties and data of the isotope 98Y.
See also: list of Yttrium isotopes.
General data
Name of the isotope:Yttrium-98m3; Y-98m3Symbol:98Y or 9839YMass number A:98 (= number of nucleons)Atomic number Z:39 (= number of protons)Neutrons N:59Isotopic mass:97.922388(9) u (atomic weight of Yttrium-98m3)
Excitation energy: 496.19(15) keVNuclide mass:97.9009943 u (calculated nuclear mass without electrons)Mass excess:-72.29511 MeVMass defect:0.894018292 u (per nucleus)Nuclear binding energy:832.77267489 MeV (per nucleus)
8.49768036 MeV (average binding energy per nucleon)Half-life:7.6(4) μsDecay constant λ:91203.576389466 s-1Specific activity α:5.662276123168 × 10+26 Bq g-1
1.530344898153 × 10+16 Ci g-1Spin and parity:
(nuclear angular momentum)(2-)
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 |
---|
98Y | | 548(2) ms | (0)- |
98m1Y | 170.74(6) keV | 0.62(8) μs | (2)- |
98m2Y | 410(30) keV | 2.0(2) s | (4,5) |
98m4Y | 1181.1(4) keV | 0.83(10) μs | (8-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 59) and isobaric (same nucleon number A = 98) with Yttrium-98m3. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 59 | Isobar A = 98 |
33 | 92As | |
34 | 93Se | |
35 | 94Br | 98Br |
36 | 95Kr | 98Kr |
37 | 96Rb | 98Rb |
38 | 97Sr | 98Sr |
39 | 98Y | 98Y |
40 | 99Zr | 98Zr |
41 | 100Nb | 98Nb |
42 | 101Mo | 98Mo |
43 | 102Tc | 98Tc |
44 | 103Ru | 98Ru |
45 | 104Rh | 98Rh |
46 | 105Pd | 98Pd |
47 | 106Ag | 98Ag |
48 | 107Cd | 98Cd |
49 | 108In | 98In |
50 | 109Sn | |
51 | 110Sb | |
52 | 111Te | |
53 | 112I | |
54 | 113Xe | |
55 | 114Cs | |
56 | 115Ba | |
57 | 116La | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/yttrium-98m3
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