Molybdenum-101m

Properties and data of the isotope ^101mMo.

Contents

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

General data

Name of the isotope:Molybdenum-101m; Mo-101mSymbol:^101mMo or 101m42MoMass number A:101 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:59Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.4047619047619 (= neutron-proton ratio)Neutron excess (N-Z):17Excitation energy:13.497(9) keVIsotopic mass:100.9103376(3) u (atomic weight of Molybdenum-101m)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)Half-life:226(7) nsDecay constant λ:3067022.9228316 s^-1Specific activity α:1.847004406194 × 10⁺²⁸ Bq g^-1
4.991903800526 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)3/2+

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
¹⁰¹Mo		14.61(3) min	1/2+

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-101m. 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