Silver-108
Properties and data of the isotope 108Ag.
See also: list of Silver isotopes.
General data
Name of the isotope:Silver-108; Ag-108Symbol:108Ag or 10847AgMass number A:108 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:61Isotopic mass:107.9059503(26) u (atomic weight of Silver-108)Nuclide mass:107.8801684 u (calculated nuclear mass without electrons)Mass excess:-87.60673 MeVMass defect:0.99038608000001 u (per nucleus)Nuclear binding energy:922.5386912 MeV (per nucleus)
8.54202492 MeV (average binding energy per nucleon)Separation energy:SN = 7.27141(17) MeV (first neutron)
SP = 6.5231(23) MeV (first proton)Half-life:2.382(11) minDecay constant λ:0.0048498963095434 s-1Specific activity α:2.729603619827 × 10+19 Bq g-1
737730708.06157 Ci g-1Spin and parity:
(nuclear angular momentum)1+Magnetic dipole moment:μ(μN) = 2.6838(16)Nuclear g-factor:gl = 2.6838Year of discovery:1937
Radioactive Decay
Half-life T½ = 2.382(11) min (minutes) respectively 1.4292 × 102 seconds s.
| Decay mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EE/β+ | 108Pd | 2.85(29) % | 1.9174(26) MeV | |
| β- | 108Cd | 97.15(20) % | 1.6457(26) 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 |
|---|
| 108mAg | 109.466(7) keV | 438(9) a | 6+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 61) and isobaric (same nucleon number A = 108) with Silver-108. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 61 | Isobar A = 108 |
|---|
| 34 | 95Se | |
| 35 | 96Br | |
| 36 | 97Kr | |
| 37 | 98Rb | |
| 38 | 99Sr | |
| 39 | 100Y | 108Y |
| 40 | 101Zr | 108Zr |
| 41 | 102Nb | 108Nb |
| 42 | 103Mo | 108Mo |
| 43 | 104Tc | 108Tc |
| 44 | 105Ru | 108Ru |
| 45 | 106Rh | 108Rh |
| 46 | 107Pd | 108Pd |
| 47 | 108Ag | 108Ag |
| 48 | 109Cd | 108Cd |
| 49 | 110In | 108In |
| 50 | 111Sn | 108Sn |
| 51 | 112Sb | 108Sb |
| 52 | 113Te | 108Te |
| 53 | 114I | 108I |
| 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/silver-108
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