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Silver-109

Properties and data of the isotope 109Ag.


Content

See also: list of Silver isotopes.

 

General data

Name of the isotope:Silver-109; Ag-109Symbol:109Ag or 10947AgMass number A:109 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:62Isotopic mass:108.904755(9) u (atomic weight of Silver-109)Nuclide mass:108.8789731 u (calculated nuclear mass without electrons)Mass excess:-88.72015 MeVMass defect:1.000246296 u (per nucleus)Nuclear binding energy:931.72342325 MeV (per nucleus)
8.54792131 MeV (average binding energy per nucleon)
Separation energy:SN = 9.1840(27) MeV (first neutron)
SP = 6.4842(14) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
1/2-Magnetic dipole moment:μ(μN) = 0.13051(5)Charge radius:4.5638(25) femtometer fmYear of discovery:1924

 

Parent Nuclides

Direct parent isotopes are: 109Cd, 109Pd.

 

Occurrence

Comparison of the natural Silver isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

 

Atomic Mass maQuantityHalf-lifeSpin
Silver
Isotopic mixture
107.8682 u100 %
Isotope 107Ag106.90509(2) u51.839(8) %stable1/2-
Isotope 109Ag108.904755(9) u48.161(8) %stable1/2-

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 109Ag

Isotope:109Ag-NMRQuantity:48.161(8) %Spin:1/2-Nuclearmagnetic moment
μ/μN:
0.13051(5)Gyromagnetic ratio γ:1.2519 · 107 rad T-1 s-1Nuclear g-factor:gl = 0.26102Resonance frequency:v0 = 1.9924 at 1 TRelative Sensitivity:0.00010 (H0 = const.)
0.0468 (v0 = const.)
[related to 1H = 1.000]

 

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear IsomerExcitation EnergyHalf-lifeSpin
109mAg88.03337(10) keV39.79(21) s7/2+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 62) and isobaric (same nucleon number A = 109) with Silver-109. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 62Isobar A = 109
3597Br
3698Kr
3799Rb
38100Sr
39101Y109Y
40102Zr109Zr
41103Nb109Nb
42104Mo109Mo
43105Tc109Tc
44106Ru109Ru
45107Rh109Rh
46108Pd109Pd
47109Ag109Ag
48110Cd109Cd
49111In109In
50112Sn109Sn
51113Sb109Sb
52114Te109Te
53115I109I
54116Xe109Xe
55117Cs
56118Ba
57119La
58120Ce
59121Pr

 

External data and identifiers

Adopted Levels, Gammas:NuDat 109Ag

 


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Last update: 2023-05-08


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