Palladium-107
Properties and data of the isotope 107Pd.
See also: List of individual Palladium isotopes (and general data sources).
General data
Name of the isotope:Palladium-107; Pd-107Symbol:107Pd or 10746PdMass number A:107 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:61Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.3260869565217 (= neutron-proton ratio)Neutron excess (N-Z):15Isotopic mass:106.9051281(13) u (atomic weight of Palladium-107)Nuclide mass:106.8798947 u (calculated nuclear mass without electrons)Mass excess:-88.37261 MeVMass defect:0.98338324800001 u (per nucleus)Nuclear binding energy:916.01559521 MeV (per nucleus)
8.56089341 MeV (average binding energy per nucleon)Separation energy:SN = 6.5364(5) MeV (first neutron)
SP = 9.299(5) MeV (first proton)Half-life:6.5(3) × 106 aDecay constant λ:3.381469678413 × 10-15 s-1Specific activity α:19211025.204728 Bq g-1
0.00051921689742508 Ci g-1Spin and parity:
(nuclear angular momentum)5/2+Year of discovery:1958
Radioactive Decay
Half-life T½ = 6.5(3) × 106 a respectively 2.04984 × 1014 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 107Ag | 100 % | 0.0340(23) MeV | |
Parent Nuclides
Direct parent isotope is: 107Rh.
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 |
|---|
| 107m1Pd | 115.74(12) keV | 0.85(10) μs | 1/2+ |
| 107m2Pd | 214.6(3) keV | 21.3(5) s | 11/2- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 61) and isobaric (same nucleon number A = 107) with Palladium-107. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 61 | Isobar A = 107 |
|---|
| 34 | 95Se | |
| 35 | 96Br | |
| 36 | 97Kr | |
| 37 | 98Rb | |
| 38 | 99Sr | 107Sr |
| 39 | 100Y | 107Y |
| 40 | 101Zr | 107Zr |
| 41 | 102Nb | 107Nb |
| 42 | 103Mo | 107Mo |
| 43 | 104Tc | 107Tc |
| 44 | 105Ru | 107Ru |
| 45 | 106Rh | 107Rh |
| 46 | 107Pd | 107Pd |
| 47 | 108Ag | 107Ag |
| 48 | 109Cd | 107Cd |
| 49 | 110In | 107In |
| 50 | 111Sn | 107Sn |
| 51 | 112Sb | 107Sb |
| 52 | 113Te | 107Te |
| 53 | 114I | |
| 54 | 115Xe | |
| 55 | 116Cs | |
| 56 | 117Ba | |
| 57 | 118La | |
| 58 | 119Ce | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/palladium-107
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