Palladium-95
Properties and data of the isotope 95Pd.
See also: List of individual Palladium isotopes (and general data sources).
General data
Name of the isotope:Palladium-95; Pd-95Symbol:95Pd or 9546PdMass number A:95 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:49Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.0652173913043 (= neutron-proton ratio)Neutron excess (N-Z):3Isotopic mass:94.924889(3) u (atomic weight of Palladium-95)Nuclide mass:94.8996556 u (calculated nuclear mass without electrons)Mass excess:-69.96545 MeVMass defect:0.85964335600001 u (per nucleus)Nuclear binding energy:800.75262825 MeV (per nucleus)
8.42897503 MeV (average binding energy per nucleon)Separation energy:SN = 11.935(5) MeV (first neutron)
SP = 4.347(5) MeV (first proton)Half-life:5(3) sDecay constant λ:0.13862943611199 s-1Specific activity α:8.881340336170 × 10+20 Bq g-1
24003622530.19 Ci g-1Spin and parity:
(nuclear angular momentum)(9/2+)Year of discovery:1980
Radioactive Decay
Half-life T½ = 5(3) s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 95Rh | 100 % | 8.375(5) MeV | |
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 |
|---|
| 95mPd | 1875.13(14) keV | 13.3(3) s | (21/2+) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 49) and isobaric (same nucleon number A = 95) with Palladium-95. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 49 | Isobar A = 95 |
|---|
| 27 | 76Co | |
| 28 | 77Ni | |
| 29 | 78Cu | |
| 30 | 79Zn | |
| 31 | 80Ga | |
| 32 | 81Ge | |
| 33 | 82As | |
| 34 | 83Se | 95Se |
| 35 | 84Br | 95Br |
| 36 | 85Kr | 95Kr |
| 37 | 86Rb | 95Rb |
| 38 | 87Sr | 95Sr |
| 39 | 88Y | 95Y |
| 40 | 89Zr | 95Zr |
| 41 | 90Nb | 95Nb |
| 42 | 91Mo | 95Mo |
| 43 | 92Tc | 95Tc |
| 44 | 93Ru | 95Ru |
| 45 | 94Rh | 95Rh |
| 46 | 95Pd | 95Pd |
| 47 | 96Ag | 95Ag |
| 48 | 97Cd | 95Cd |
| 49 | 98In | |
| 50 | 99Sn | |
External data and identifiers
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/palladium-95
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