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) yearsDecay constant λ:5.873730429800 × 10-19 s-1Specific activity α:3471.0558699681 Bq g-1 9.381232080994 × 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) years 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.
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.
