Silver-116
Properties and data of the isotope 116Ag.
See also: List of individual Silver isotopes (and general data sources).
General data
Name of the isotope:Silver-116; Ag-116Symbol:116Ag or 11647AgMass number A:116 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:69Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.468085106383 (= neutron-proton ratio)Neutron excess (N-Z):22Isotopic mass:115.911387(3) u (atomic weight of Silver-116)Nuclide mass:115.8856051 u (calculated nuclear mass without electrons)Mass excess:-82.54248 MeVMass defect:1.054268708 u (per nucleus)Nuclear binding energy:982.04497589 MeV (per nucleus)
8.46590496 MeV (average binding energy per nucleon)Separation energy:SN = 5.631(19) MeV (first neutron)
SP = 9.405(14) MeV (first proton)Half-life:230(5) sDecay constant λ:0.0030136833937389 s-1Specific activity α:1.578158774291 × 10+19 Bq g-1
426529398.45705 Ci g-1Spin and parity:
(nuclear angular momentum)(0-)Year of discovery:1958
Radioactive Decay
Half-life T½ = 230(5) s respectively 2.30 × 102 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 116Cd | 100 % | 6.170(3) MeV | |
Parent Nuclides
Direct parent isotope is: 116Pd.
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 |
|---|
| 116m1Ag | 47.90(10) keV | 20(1) s | (3+) |
| 116m2Ag | 129.80(22) keV | 9.3(3) s | (6-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 69) and isobaric (same nucleon number A = 116) with Silver-116. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 69 | Isobar A = 116 |
|---|
| 38 | 107Sr | |
| 39 | 108Y | |
| 40 | 109Zr | |
| 41 | 110Nb | |
| 42 | 111Mo | 116Mo |
| 43 | 112Tc | 116Tc |
| 44 | 113Ru | 116Ru |
| 45 | 114Rh | 116Rh |
| 46 | 115Pd | 116Pd |
| 47 | 116Ag | 116Ag |
| 48 | 117Cd | 116Cd |
| 49 | 118In | 116In |
| 50 | 119Sn | 116Sn |
| 51 | 120Sb | 116Sb |
| 52 | 121Te | 116Te |
| 53 | 122I | 116I |
| 54 | 123Xe | 116Xe |
| 55 | 124Cs | 116Cs |
| 56 | 125Ba | 116Ba |
| 57 | 126La | 116La |
| 58 | 127Ce | |
| 59 | 128Pr | |
| 60 | 129Nd | |
| 61 | 130Pm | |
| 62 | 131Sm | |
| 63 | 132Eu | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/silver-116
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