Silver-132
Properties and data of the isotope 132Ag.
See also: list of Silver isotopes.
General data
Name of the isotope:Silver-132; Ag-132Symbol:132Ag or 13247AgMass number A:132 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:85Isotopic mass:131.96372(54) u (atomic weight of Silver-132)Nuclide mass:131.9379381 u (calculated nuclear mass without electrons)Mass excess:-33.7946 MeVMass defect:1.140574364 u (per nucleus)Nuclear binding energy:1062.43817662 MeV (per nucleus)
8.04877407 MeV (average binding energy per nucleon)Separation energy:SN = 1.48(71) MeV (first neutron)Half-life:28 msDecay constant λ:24.755256448569 s-1Specific activity α:1.138012529443 × 10+23 Bq g-1
3075709539037.3 Ci g-1Spin and parity:
(nuclear angular momentum)Year of discovery:2015
Radioactive Decay
Half-life T½ = 28 ms respectively 2.8 × 10-2 seconds s.
| Decay mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 132Cd | 100 % | 16.47(54) MeV | |
| β-, n | 131Cd | ? | 13.36(51) MeV | |
| β-, 2n | 130Cd | ? | | |
| β-, 3n | 129Cd | ? | | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 85) and isobaric (same nucleon number A = 132) with Silver-132. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 85 | Isobar A = 132 |
|---|
| 47 | 132Ag | 132Ag |
| 48 | 133Cd | 132Cd |
| 49 | 134In | 132In |
| 50 | 135Sn | 132Sn |
| 51 | 136Sb | 132Sb |
| 52 | 137Te | 132Te |
| 53 | 138I | 132I |
| 54 | 139Xe | 132Xe |
| 55 | 140Cs | 132Cs |
| 56 | 141Ba | 132Ba |
| 57 | 142La | 132La |
| 58 | 143Ce | 132Ce |
| 59 | 144Pr | 132Pr |
| 60 | 145Nd | 132Nd |
| 61 | 146Pm | 132Pm |
| 62 | 147Sm | 132Sm |
| 63 | 148Eu | 132Eu |
| 64 | 149Gd | |
| 65 | 150Tb | |
| 66 | 151Dy | |
| 67 | 152Ho | |
| 68 | 153Er | |
| 69 | 154Tm | |
| 70 | 155Yb | |
| 71 | 156Lu | |
| 72 | 157Hf | |
| 73 | 158Ta | |
| 74 | 159W | |
| 75 | 160Re | |
| 76 | 161Os | |
Literature and References
[1] - M. Thoennessen:
2015 Update of the discoveries of nuclides.
In: International Journal of Modern Physics E, (2016), DOI 10.1142/S0218301316300046.
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/silver-132
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