Molybdenum-86

Properties and data of the isotope ⁸⁶Mo.

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-86; Mo-86Symbol:⁸⁶Mo or 8642MoMass number A:86 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:44Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.047619047619 (= neutron-proton ratio)Neutron excess (N-Z):2Isotopic mass:85.931175(4) u (atomic weight of Molybdenum-86)Nuclide mass:85.9081357 u (calculated nuclear mass without electrons)Mass excess:-64.11007 MeVMass defect:0.77873264800002 u (per nucleus)Nuclear binding energy:725.38478922 MeV (per nucleus)
8.43470685 MeV (average binding energy per nucleon)Separation energy:S_N = 14.672(16) MeV (first neutron)
S_P = 5.120(6) MeV (first proton)Half-life:19.1(3) sDecay constant λ:0.036290428301568 s^-1Specific activity α:2.571130248229 × 10⁺²⁰ Bq g^-1
6949000670.8895 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Mirror nucleus:Ruthenium-86Year of discovery:1991

Radioactive Decay

Half-life T_½ = 19.1(3) s respectively 1.91 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	⁸⁶Nb	100 %	5.024(7) MeV

Parent Nuclides

Direct parent isotope is: ⁸⁶Tc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 44) and isobaric (same nucleon number A = 86) with Molybdenum-86. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 44	Isobar A = 86
22	⁶⁶Ti
23	⁶⁷V
24	⁶⁸Cr
25	⁶⁹Mn
26	⁷⁰Fe
27	⁷¹Co
28	⁷²Ni
29	⁷³Cu
30	⁷⁴Zn
31	⁷⁵Ga	⁸⁶Ga
32	⁷⁶Ge	⁸⁶Ge
33	⁷⁷As	⁸⁶As
34	⁷⁸Se	⁸⁶Se
35	⁷⁹Br	⁸⁶Br
36	⁸⁰Kr	⁸⁶Kr
37	⁸¹Rb	⁸⁶Rb
38	⁸²Sr	⁸⁶Sr
39	⁸³Y	⁸⁶Y
40	⁸⁴Zr	⁸⁶Zr
41	⁸⁵Nb	⁸⁶Nb
42	⁸⁶Mo	⁸⁶Mo
43	⁸⁷Tc	⁸⁶Tc
44	⁸⁸Ru	⁸⁶Ru
45	⁸⁹Rh
46	⁹⁰Pd