Silver-103

Properties and data of the isotope ¹⁰³Ag.

Content

General data

Name of the isotope:Silver-103; Ag-103Symbol: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-103)Nuclide 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)Separation energy:S_N = 10.627(9) MeV (first neutron)
S_P = 4.188(4) MeV (first proton)Half-life:65.7(7) minDecay constant λ:0.00017583642327751 s^-1Specific activity α:1.038148734592 × 10⁺¹⁸ Bq g^-1
28058073.907914 Ci g^-1Spin and parity:
(nuclear angular momentum)7/2+Magnetic dipole moment:μ(μ_N) = + 4.426(2)Nuclear g-factor:g_l = 1.2645714285714Charge radius:4.5036(65) femtometer fmYear of discovery:1954

Radioactive Decay

Half-life T_½ = 65.7(7) min (minutes) respectively 3.942 × 10³ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹⁰³Pd	100 %	2.654(4) MeV

Parent Nuclides

Direct parent isotope is: ¹⁰³Cd.

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
^103mAg	134.45(4) keV	5.7(3) s	1/2-

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-103. 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