Silver-107m

Properties and data of the isotope ¹⁰⁷Ag.

Content

General data

Name of the isotope:Silver-107m; Ag-107mSymbol:¹⁰⁷Ag or 10747AgMass number A:107 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:60Isotopic mass:106.90509(2) u (atomic weight of Silver-107m)
Excitation energy: 93.125(19) keVNuclide mass:106.8793081 u (calculated nuclear mass without electrons)Mass excess:-88.4081 MeVMass defect:0.98258146399999 u (per nucleus)Nuclear binding energy:915.26873823 MeV (per nucleus)
8.55391344 MeV (average binding energy per nucleon)Half-life:44.3(2) sDecay constant λ:0.015646663218057 s^-1Specific activity α:8.889283951616 × 10⁺¹⁹ Bq g^-1
2402509176.1125 Ci g^-1Spin and parity:
(nuclear angular momentum)7/2+Magnetic dipole moment:μ(μ_N) = (+) 4.392(5)Quadrupole moment Q:0.98(11) barn (100 fm²)

Radioactive Decay

Half-life T_½ = 44.3(2) s respectively 4.43 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
Iso	¹⁰⁷Ag	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
¹⁰⁷Ag		stable	1/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 60) and isobaric (same nucleon number A = 107) with Silver-107m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 60	Isobar A = 107
34	⁹⁴Se
35	⁹⁵Br
36	⁹⁶Kr
37	⁹⁷Rb
38	⁹⁸Sr	¹⁰⁷Sr
39	⁹⁹Y	¹⁰⁷Y
40	¹⁰⁰Zr	¹⁰⁷Zr
41	¹⁰¹Nb	¹⁰⁷Nb
42	¹⁰²Mo	¹⁰⁷Mo
43	¹⁰³Tc	¹⁰⁷Tc
44	¹⁰⁴Ru	¹⁰⁷Ru
45	¹⁰⁵Rh	¹⁰⁷Rh
46	¹⁰⁶Pd	¹⁰⁷Pd
47	¹⁰⁷Ag	¹⁰⁷Ag
48	¹⁰⁸Cd	¹⁰⁷Cd
49	¹⁰⁹In	¹⁰⁷In
50	¹¹⁰Sn	¹⁰⁷Sn
51	¹¹¹Sb	¹⁰⁷Sb
52	¹¹²Te	¹⁰⁷Te
53	¹¹³I
54	¹¹⁴Xe
55	¹¹⁵Cs
56	¹¹⁶Ba
57	¹¹⁷La