Molybdenum-98

Properties and data of the isotope ⁹⁸Mo.

Contents

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:56Isotopic 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:S_N = 8.64260(6) MeV (first neutron)
S_P = 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

Parent Nuclides

Direct parent isotope is: ⁹⁸Nb.

Occurrence

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

	Atomic Mass m_a	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	94.905839(3) 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 a	0+

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.

Z	Isotone N = 56	Isobar A = 98
31	⁸⁷Ga
32	⁸⁸Ge
33	⁸⁹As
34	⁹⁰Se
35	⁹¹Br	⁹⁸Br
36	⁹²Kr	⁹⁸Kr
37	⁹³Rb	⁹⁸Rb
38	⁹⁴Sr	⁹⁸Sr
39	⁹⁵Y	⁹⁸Y
40	⁹⁶Zr	⁹⁸Zr
41	⁹⁷Nb	⁹⁸Nb
42	⁹⁸Mo	⁹⁸Mo
43	⁹⁹Tc	⁹⁸Tc
44	¹⁰⁰Ru	⁹⁸Ru
45	¹⁰¹Rh	⁹⁸Rh
46	¹⁰²Pd	⁹⁸Pd
47	¹⁰³Ag	⁹⁸Ag
48	¹⁰⁴Cd	⁹⁸Cd
49	¹⁰⁵In	⁹⁸In
50	¹⁰⁶Sn
51	¹⁰⁷Sb
52	¹⁰⁸Te
53	¹⁰⁹I
54	¹¹⁰Xe