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Niobium-107

Properties and data of the isotope 107Nb.


Content

See also: list of Niobium isotopes.

 

General data

Name of the isotope:Niobium-107; Nb-107Symbol:107Nb or 10741NbMass number A:107 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:66Isotopic mass:106.931590(9) u (atomic weight of Niobium-107)Nuclide mass:106.9090992 u (calculated nuclear mass without electrons)Mass excess:-63.7235 MeVMass defect:0.961120768 u (per nucleus)Nuclear binding energy:895.27822867 MeV (per nucleus)
8.36708625 MeV (average binding energy per nucleon)
Separation energy:SN = 5.592(9) MeV (first neutron)
SP = 12.46(43) MeV (first proton)
Half-life:300(9) msDecay constant λ:2.3104906018665 s-1Specific activity α:1.312650930188 × 10+22 Bq g-1
354770521672.62 Ci g-1
Spin and parity:
(nuclear angular momentum)
Year of discovery:1992

 

Radioactive Decay

Half-life T½ = 300(9) ms respectively 3.0 × 10-1 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-107Mo100 %8.828(12) MeV

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 66) and isobaric (same nucleon number A = 107) with Niobium-107. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 66Isobar A = 107
37103Rb
38104Sr107Sr
39105Y107Y
40106Zr107Zr
41107Nb107Nb
42108Mo107Mo
43109Tc107Tc
44110Ru107Ru
45111Rh107Rh
46112Pd107Pd
47113Ag107Ag
48114Cd107Cd
49115In107In
50116Sn107Sn
51117Sb107Sb
52118Te107Te
53119I
54120Xe
55121Cs
56122Ba
57123La
58124Ce
59125Pr
60126Nd
61127Pm
62128Sm

 

External data and identifiers

Adopted Levels, Gammas:NuDat 107Nb

 


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Last update: 2020-10-15


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