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Niobium-97m

Properties and data of the isotope 97Nb.


Content

See also: list of Niobium isotopes.

 

General data

Name of the isotope:Niobium-97m; Nb-97mSymbol:97Nb or 9741NbMass number A:97 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:56Isotopic mass:96.908098(5) u (atomic weight of Niobium-97m)
Excitation energy: 743.35(3) keV
Nuclide mass:96.8856072 u (calculated nuclear mass without electrons)Mass excess:-85.60616 MeVMass defect:0.89796360800001 u (per nucleus)Nuclear binding energy:836.44771307 MeV (per nucleus)
8.6231723 MeV (average binding energy per nucleon)
Half-life:58.7(18) sDecay constant λ:0.011808299498466 s-1Specific activity α:7.407421135008 × 10+19 Bq g-1
2002005712.1645 Ci g-1
Spin and parity:
(nuclear angular momentum)
1/2-

 

Radioactive Decay

Half-life T½ = 58.7(18) s respectively 5.87 × 101 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
Iso97Nb100 %

 

Nuclear Isomers

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

Nuclear IsomerExcitation EnergyHalf-lifeSpin
97Nb72.1(7) min9/2+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 56) and isobaric (same nucleon number A = 97) with Niobium-97m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 56Isobar A = 97
3187Ga
3288Ge
3389As
3490Se
3591Br97Br
3692Kr97Kr
3793Rb97Rb
3894Sr97Sr
3995Y97Y
4096Zr97Zr
4197Nb97Nb
4298Mo97Mo
4399Tc97Tc
44100Ru97Ru
45101Rh97Rh
46102Pd97Pd
47103Ag97Ag
48104Cd97Cd
49105In97In
50106Sn
51107Sb
52108Te
53109I
54110Xe

 


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Last update: 2020-10-15


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