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Niobium-94m

Properties and data of the isotope 94Nb.


Content

See also: list of Niobium isotopes.

 

General data

Name of the isotope:Niobium-94m; Nb-94mSymbol:94Nb or 9441NbMass number A:94 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:53Isotopic mass:93.9072790(16) u (atomic weight of Niobium-94m)
Excitation energy: 40.892(12) keV
Nuclide mass:93.8847882 u (calculated nuclear mass without electrons)Mass excess:-86.36906 MeVMass defect:0.87278786 u (per nucleus)Nuclear binding energy:812.99665486 MeV (per nucleus)
8.64890058 MeV (average binding energy per nucleon)
Half-life:6.263(4) minDecay constant λ:0.0018445558054179 s-1Specific activity α:1.194427406907 × 10+19 Bq g-1
322818218.08314 Ci g-1
Spin and parity:
(nuclear angular momentum)
3+

 

Radioactive Decay

Half-life T½ = 6.263(4) min (minutes) respectively 3.7578 × 102 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-94Mo0.50(6) %
Iso94Nb99.50(6) %

 

Nuclear Isomers

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

Nuclear IsomerExcitation EnergyHalf-lifeSpin
94Nb2.03(16) × 104 a6+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 53) and isobaric (same nucleon number A = 94) with Niobium-94m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 53Isobar A = 94
2982Cu
3083Zn
3184Ga
3285Ge
3386As
3487Se94Se
3588Br94Br
3689Kr94Kr
3790Rb94Rb
3891Sr94Sr
3992Y94Y
4093Zr94Zr
4194Nb94Nb
4295Mo94Mo
4396Tc94Tc
4497Ru94Ru
4598Rh94Rh
4699Pd94Pd
47100Ag94Ag
48101Cd94Cd
49102In
50103Sn
51104Sb
52105Te

 


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Last update: 2020-10-15


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