Rhodium-102m
Properties and data of the isotope 102mRh.
See also: List of individual Rhodium isotopes (and general data sources).
General data
Name of the isotope:Rhodium-102m; Rh-102mSymbol:102mRh or 102m45RhMass number A:102 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:57Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.2666666666667 (= neutron-proton ratio)Neutron excess (N-Z):12Excitation energy:140.73(9) keVIsotopic mass:101.906834(7) u (atomic weight of Rhodium-102m)Nuclide mass:101.8821492 u (calculated nuclear mass without electrons)Mass excess:-86.78357 MeVMass defect:0.939192652 u (per nucleus)Nuclear binding energy:874.85232018 MeV (per nucleus)
8.57698353 MeV (average binding energy per nucleon)Half-life:3.742(10) aDecay constant λ:5.873730429800 × 10-19 s-1Specific activity α:3502.2209922335 Bq g-1
9.465462141171 × 10-8 Ci g-1Spin and parity:
(nuclear angular momentum)6(+)Magnetic dipole moment:μ(μN) = 4.01(4)Nuclear g-factor:gl = 0.66833333333333
Radioactive Decay
Half-life T½ = 3.742(10) a respectively 1.18008 × 1018 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 103Ru | 99.767(24) % | | |
| Iso | 102Rh | 0.233(24) % | | |
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 |
|---|
| 102Rh | | 207.3(17) d | (2-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 57) and isobaric (same nucleon number A = 102) with Rhodium-102m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 57 | Isobar A = 102 |
|---|
| 32 | 89Ge | |
| 33 | 90As | |
| 34 | 91Se | |
| 35 | 92Br | |
| 36 | 93Kr | |
| 37 | 94Rb | 102Rb |
| 38 | 95Sr | 102Sr |
| 39 | 96Y | 102Y |
| 40 | 97Zr | 102Zr |
| 41 | 98Nb | 102Nb |
| 42 | 99Mo | 102Mo |
| 43 | 100Tc | 102Tc |
| 44 | 101Ru | 102Ru |
| 45 | 102Rh | 102Rh |
| 46 | 103Pd | 102Pd |
| 47 | 104Ag | 102Ag |
| 48 | 105Cd | 102Cd |
| 49 | 106In | 102In |
| 50 | 107Sn | 102Sn |
| 51 | 108Sb | |
| 52 | 109Te | |
| 53 | 110I | |
| 54 | 111Xe | |
| 55 | 112Cs | |
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/rhodium-102m
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