Molybdenum-101

Properties and data of the isotope ¹⁰¹Mo.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Molybdenum isotopes (and general data sources).

General data

Name of the isotope:Molybdenum-101; Mo-101Symbol:¹⁰¹Mo or 10142MoMass number A:101 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:59Isotopic mass:100.9103376(3) u (atomic weight of Molybdenum-101)Nuclide mass:100.8872983 u (calculated nuclear mass without electrons)Mass excess:-83.51999 MeVMass defect:0.929543788 u (per nucleus)Nuclear binding energy:865.86446126 MeV (per nucleus)
8.57291546 MeV (average binding energy per nucleon)Separation energy:S_N = 5.39824(7) MeV (first neutron)
S_P = 11.012(8) MeV (first proton)Half-life:14.61(3) minDecay constant λ:0.00079072231412268 s^-1Specific activity α:4.76184115674 × 10⁺¹⁸ Bq g^-1
128698409.64168 Ci g^-1Spin and parity:
(nuclear angular momentum)1/2+Year of discovery:1941

Radioactive Decay

Half-life T_½ = 14.61(3) min (minutes) respectively 8.766 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁰¹Tc	100 %	2.825(24) MeV

Parent Nuclides

Direct parent isotope is: ¹⁰¹Nb.

Nuclear Isomers

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

Nuclear Isomer	Excitation Energy	Half-life	Spin
^101mMo	13.497(9) keV	226(7) ns	3/2+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 59) and isobaric (same nucleon number A = 101) with Molybdenum-101. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 59	Isobar A = 101
33	⁹²As
34	⁹³Se
35	⁹⁴Br
36	⁹⁵Kr	¹⁰¹Kr
37	⁹⁶Rb	¹⁰¹Rb
38	⁹⁷Sr	¹⁰¹Sr
39	⁹⁸Y	¹⁰¹Y
40	⁹⁹Zr	¹⁰¹Zr
41	¹⁰⁰Nb	¹⁰¹Nb
42	¹⁰¹Mo	¹⁰¹Mo
43	¹⁰²Tc	¹⁰¹Tc
44	¹⁰³Ru	¹⁰¹Ru
45	¹⁰⁴Rh	¹⁰¹Rh
46	¹⁰⁵Pd	¹⁰¹Pd
47	¹⁰⁶Ag	¹⁰¹Ag
48	¹⁰⁷Cd	¹⁰¹Cd
49	¹⁰⁸In	¹⁰¹In
50	¹⁰⁹Sn	¹⁰¹Sn
51	¹¹⁰Sb
52	¹¹¹Te
53	¹¹²I
54	¹¹³Xe
55	¹¹⁴Cs
56	¹¹⁵Ba
57	¹¹⁶La