See also: List of individual Molybdenum isotopes (and general data sources).
General data
Name of the isotope:Molybdenum-94; Mo-94Symbol:94Mo or 9442MoMass number A:94 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:52Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.2380952380952 (= neutron-proton ratio)Neutron excess (N-Z):10Isotopic mass:93.905085(3) u (atomic weight of Molybdenum-94)Nuclide mass:93.8820457 u (calculated nuclear mass without electrons)Mass excess:-88.41275 MeVMass defect:0.874141976 u (per nucleus)Nuclear binding energy:814.25800579 MeV (per nucleus) 8.66231921 MeV (average binding energy per nucleon)Separation energy:SN = 9.67831(23) MeV (first neutron) SP = 8.4902(15) MeV (first proton)Half-life:stableSpin and parity: (nuclear angular momentum)0+Charge radius:4.3529(13) femtometer fmYear of discovery:1930
Comparison of the natural Molybdenum isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):
Atomic Mass ma
Quantity
Half-life
Spin
Molybdenum Isotopic mixture
95.95 u
100 %
Isotope 92Mo
91.906808(5) u
14.649(106) %
stable
0+
Isotope 94Mo
93.905085(3) u
9.187(33) %
stable
0+
Isotope 95Mo
94.90583744(13) u
15.873(30) %
stable
5/2+
Isotope 96Mo
95.904676(3) u
16.673(8) %
stable
0+
Isotope 97Mo
96.906018(3) u
9.582(15) %
stable
5/2+
Isotope 98Mo
97.905405(3) u
24.292(80) %
stable
0+
Isotope 100Mo
99.907472(7) u
9.744(65) %
7.3(4) × 1018 years
0+
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 52) and isobaric (same nucleon number A = 94) with Molybdenum-94. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
