Molybdenum-112

Properties and data of the isotope ¹¹²Mo.

Contents

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

General data

Name of the isotope:Molybdenum-112; Mo-112Symbol:¹¹²Mo or 11242MoMass number A:112 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:70Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.6666666666667 (= neutron-proton ratio)Neutron excess (N-Z):28Isotopic mass:111.93831(21) u (atomic weight of Molybdenum-112)Nuclide mass:111.9152707 u (calculated nuclear mass without electrons)Mass excess:-57.46386 MeVMass defect:0.996885464 u (per nucleus)Nuclear binding energy:928.5928284 MeV (per nucleus)
8.2910074 MeV (average binding energy per nucleon)Separation energy:S_N = 5.59(20) MeV (first neutron)
S_P = 15.88(36) MeV (first proton)Half-life:120 msDecay constant λ:5.7762265046662 s^-1Specific activity α:3.133806274774 × 10⁺²² Bq g^-1
846974668858.05 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1994

Radioactive Decay

Half-life T_½ = 120 ms respectively 1.20 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹²Tc	100 %	7.79(20) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 70) and isobaric (same nucleon number A = 112) with Molybdenum-112. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 70	Isobar A = 112
39	¹⁰⁹Y
40	¹¹⁰Zr	¹¹²Zr
41	¹¹¹Nb	¹¹²Nb
42	¹¹²Mo	¹¹²Mo
43	¹¹³Tc	¹¹²Tc
44	¹¹⁴Ru	¹¹²Ru
45	¹¹⁵Rh	¹¹²Rh
46	¹¹⁶Pd	¹¹²Pd
47	¹¹⁷Ag	¹¹²Ag
48	¹¹⁸Cd	¹¹²Cd
49	¹¹⁹In	¹¹²In
50	¹²⁰Sn	¹¹²Sn
51	¹²¹Sb	¹¹²Sb
52	¹²²Te	¹¹²Te
53	¹²³I	¹¹²I
54	¹²⁴Xe	¹¹²Xe
55	¹²⁵Cs	¹¹²Cs
56	¹²⁶Ba
57	¹²⁷La
58	¹²⁸Ce
59	¹²⁹Pr
60	¹³⁰Nd
61	¹³¹Pm
62	¹³²Sm
63	¹³³Eu
64	¹³⁴Gd
65	¹³⁵Tb