Silver-103m
Properties and data of the isotope 103Ag.
See also: list of Silver isotopes.
General data
Name of the isotope:Silver-103m; Ag-103mSymbol:103Ag or 10347AgMass number A:103 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:56Isotopic mass:102.908961(4) u (atomic weight of Silver-103m)
Excitation energy: 134.45(4) keVNuclide mass:102.8831791 u (calculated nuclear mass without electrons)Mass excess:-84.80228 MeVMass defect:0.9440508 u (per nucleus)Nuclear binding energy:879.3776559 MeV (per nucleus)
8.53764714 MeV (average binding energy per nucleon)Half-life:5.7(3) sDecay constant λ:0.12160476851929 s-1Specific activity α:7.179618090815 × 10+20 Bq g-1
19404373218.42 Ci g-1Spin and parity:
(nuclear angular momentum)1/2-
Radioactive Decay
Half-life T½ = 5.7(3) s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
Iso | 103Ag | 100 % | | |
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 |
---|
103Ag | | 65.7(7) min | 7/2+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 56) and isobaric (same nucleon number A = 103) with Silver-103m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 56 | Isobar A = 103 |
31 | 87Ga | |
32 | 88Ge | |
33 | 89As | |
34 | 90Se | |
35 | 91Br | |
36 | 92Kr | |
37 | 93Rb | 103Rb |
38 | 94Sr | 103Sr |
39 | 95Y | 103Y |
40 | 96Zr | 103Zr |
41 | 97Nb | 103Nb |
42 | 98Mo | 103Mo |
43 | 99Tc | 103Tc |
44 | 100Ru | 103Ru |
45 | 101Rh | 103Rh |
46 | 102Pd | 103Pd |
47 | 103Ag | 103Ag |
48 | 104Cd | 103Cd |
49 | 105In | 103In |
50 | 106Sn | 103Sn |
51 | 107Sb | 103Sb |
52 | 108Te | |
53 | 109I | |
54 | 110Xe | |
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/silver-103m
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