Neodymium-136
Properties and data of the isotope 136Nd.
See also: list of Neodymium isotopes.
General data
Name of the isotope:Neodymium-136; Nd-136Symbol:136Nd or 13660NdMass number A:136 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:76Isotopic mass:135.914976(13) u (atomic weight of Neodymium-136)Nuclide mass:135.8820637 u (calculated nuclear mass without electrons)Mass excess:-79.19935 MeVMass defect:1.213059536 u (per nucleus)Nuclear binding energy:1129.95767943 MeV (per nucleus)
8.30851235 MeV (average binding energy per nucleon)Separation energy:SN = 11.057(22) MeV (first neutron)
SP = 5.552(17) MeV (first proton)Half-life:50.65(33) minDecay constant λ:0.00022808396859491 s-1Specific activity α:1.017447249460 × 10+18 Bq g-1
27498574.309749 Ci g-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.9111(26) femtometer fmYear of discovery:1968
Radioactive Decay
Half-life T½ = 50.65(33) min (minutes) respectively 3.039 × 103 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EE/β+ | 136Pr | 100 % | 2.21 MeV | |
Parent Nuclides
Direct parent isotope is: 136Pm.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 76) and isobaric (same nucleon number A = 136) with Neodymium-136. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 76 | Isobar A = 136 |
42 | 118Mo | |
43 | 119Tc | |
44 | 120Ru | |
45 | 121Rh | |
46 | 122Pd | |
47 | 123Ag | |
48 | 124Cd | |
49 | 125In | 136In |
50 | 126Sn | 136Sn |
51 | 127Sb | 136Sb |
52 | 128Te | 136Te |
53 | 129I | 136I |
54 | 130Xe | 136Xe |
55 | 131Cs | 136Cs |
56 | 132Ba | 136Ba |
57 | 133La | 136La |
58 | 134Ce | 136Ce |
59 | 135Pr | 136Pr |
60 | 136Nd | 136Nd |
61 | 137Pm | 136Pm |
62 | 138Sm | 136Sm |
63 | 139Eu | 136Eu |
64 | 140Gd | 136Gd |
65 | 141Tb | 136Tb |
66 | 142Dy | |
67 | 143Ho | |
68 | 144Er | |
69 | 145Tm | |
External data and identifiers
Last update: 2020-10-20
Perma link: https://www.chemlin.org/isotope/neodymium-136
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