See also: List of individual Molybdenum isotopes (and general data sources).
General data
Name of the isotope:Molybdenum-98; Mo-98Symbol:98Mo or 9842MoMass number A:98 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:56Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.3333333333333 (= neutron-proton ratio)Neutron excess (N-Z):14Isotopic mass:97.905405(3) u (atomic weight of Molybdenum-98)Nuclide mass:97.8823657 u (calculated nuclear mass without electrons)Mass excess:-88.11467 MeVMass defect:0.90848164000001 u (per nucleus)Nuclear binding energy:846.24519677 MeV (per nucleus) 8.63515507 MeV (average binding energy per nucleon)Separation energy:SN = 8.64260(6) MeV (first neutron) SP = 9.799(4) MeV (first proton)Half-life:stableSpin and parity: (nuclear angular momentum)0+Charge radius:4.4091(18) 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 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+
Isotope 95Mo
94.90583744(13) u
15.873(30) %
stable
5/2+
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 56) and isobaric (same nucleon number A = 98) with Molybdenum-98. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
