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Zirconium-94

Properties and data of the isotope 94Zr.


Content

See also: list of Zirconium isotopes.

 

General data

Name of the isotope:Zirconium-94; Zr-94Symbol:94Zr or 9440ZrMass number A:94 (= number of nucleons)Atomic number Z:40 (= number of protons)Neutrons N:54Isotopic mass:93.90631(2) u (atomic weight of Zirconium-94)Nuclide mass:93.8843678 u (calculated nuclear mass without electrons)Mass excess:-87.27167 MeVMass defect:0.87459674399999 u (per nucleus)Nuclear binding energy:814.68161946 MeV (per nucleus)
8.66682574 MeV (average binding energy per nucleon)
Separation energy:SN = 8.2186(5) MeV (first neutron)
SP = 10.331(10) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
0+Charge radius:4.3320(13) femtometer fm

 

Parent Nuclides

Direct parent isotope is: 94Y.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Zirconium
Isotopic mixture
91.224 u100 %
Isotope 90Zr89.90470(2) u51.45(4) %stable0+
Isotope 91Zr90.90564(2) u11.22(5) %stable5/2+
Isotope 92Zr91.90503(2) u17.15(3) %stable0+
Isotope 94Zr93.90631(2) u17.38(4) %stable0+
Isotope 96Zr95.90827(2) u2.80(2) %2.0(4) × 1019 a0+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 54) and isobaric (same nucleon number A = 94) with Zirconium-94. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 54Isobar A = 94
3084Zn
3185Ga
3286Ge
3387As
3488Se94Se
3589Br94Br
3690Kr94Kr
3791Rb94Rb
3892Sr94Sr
3993Y94Y
4094Zr94Zr
4195Nb94Nb
4296Mo94Mo
4397Tc94Tc
4498Ru94Ru
4599Rh94Rh
46100Pd94Pd
47101Ag94Ag
48102Cd94Cd
49103In
50104Sn
51105Sb
52106Te

 

External data and identifiers

Adopted Levels, Gammas:NuDat 94Zr

 


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Last update: 2020-10-14


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