Rhodium-101m
Properties and data of the isotope 101mRh.
See also: List of individual Rhodium isotopes (and general data sources).
General data
Name of the isotope:Rhodium-101m; Rh-101mSymbol:101mRh or 101m45RhMass number A:101 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:56Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.2444444444444 (= neutron-proton ratio)Neutron excess (N-Z):11Excitation energy:157.32(3) keVIsotopic mass:100.906159(6) u (atomic weight of Rhodium-101m)Nuclide mass:100.8814742 u (calculated nuclear mass without electrons)Mass excess:-87.41233 MeVMass defect:0.931202736 u (per nucleus)Nuclear binding energy:867.40976137 MeV (per nucleus)
8.58821546 MeV (average binding energy per nucleon)Half-life:4.34(1) dDecay constant λ:1.848510786183 × 10-6 s-1Specific activity α:1.113199233550 × 10+16 Bq g-1
300864.65771646 Ci g-1Spin and parity:
(nuclear angular momentum)9/2+Magnetic dipole moment:μ(μN) = + 5.43(6)Nuclear g-factor:gl = 1.2066666666667
Radioactive Decay
Half-life T½ = 4.34(1) d respectively 3.74976 × 105 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC | 101Ru | 92.80(25) % | | |
| Iso | 101Rh | 7.20(25) % | | |
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 |
|---|
| 101Rh | | 3.3(3) a | 1/2- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 56) and isobaric (same nucleon number A = 101) with Rhodium-101m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 56 | Isobar A = 101 |
|---|
| 31 | 87Ga | |
| 32 | 88Ge | |
| 33 | 89As | |
| 34 | 90Se | |
| 35 | 91Br | |
| 36 | 92Kr | 101Kr |
| 37 | 93Rb | 101Rb |
| 38 | 94Sr | 101Sr |
| 39 | 95Y | 101Y |
| 40 | 96Zr | 101Zr |
| 41 | 97Nb | 101Nb |
| 42 | 98Mo | 101Mo |
| 43 | 99Tc | 101Tc |
| 44 | 100Ru | 101Ru |
| 45 | 101Rh | 101Rh |
| 46 | 102Pd | 101Pd |
| 47 | 103Ag | 101Ag |
| 48 | 104Cd | 101Cd |
| 49 | 105In | 101In |
| 50 | 106Sn | 101Sn |
| 51 | 107Sb | |
| 52 | 108Te | |
| 53 | 109I | |
| 54 | 110Xe | |
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/rhodium-101m
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