Neodymium-156
Properties and data of the isotope 156Nd.
See also: list of Neodymium isotopes.
General data
Name of the isotope:Neodymium-156; Nd-156Symbol:156Nd or 15660NdMass number A:156 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:96Isotopic mass:155.93508(21) u (atomic weight of Neodymium-156)Nuclide mass:155.9021677 u (calculated nuclear mass without electrons)Mass excess:-60.47259 MeVMass defect:1.366253856 u (per nucleus)Nuclear binding energy:1272.65726934 MeV (per nucleus)
8.15805942 MeV (average binding energy per nucleon)Separation energy:SN = 6.26(20) MeV (first neutron)
SP = 12.35(20) MeV (first proton)Half-life:5.26(20) sDecay constant λ:0.1317770305247 s-1Specific activity α:5.119869934993 × 10+20 Bq g-1
13837486310.793 Ci g-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1987
Radioactive Decay
Half-life T½ = 5.26(20) s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β- | 156Pm | 100 % | 3.69(20) MeV | |
Parent Nuclides
Direct parent isotope is: 156Pr.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 96) and isobaric (same nucleon number A = 156) with Neodymium-156. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 96 | Isobar A = 156 |
55 | 151Cs | |
56 | 152Ba | |
57 | 153La | 156La |
58 | 154Ce | 156Ce |
59 | 155Pr | 156Pr |
60 | 156Nd | 156Nd |
61 | 157Pm | 156Pm |
62 | 158Sm | 156Sm |
63 | 159Eu | 156Eu |
64 | 160Gd | 156Gd |
65 | 161Tb | 156Tb |
66 | 162Dy | 156Dy |
67 | 163Ho | 156Ho |
68 | 164Er | 156Er |
69 | 165Tm | 156Tm |
70 | 166Yb | 156Yb |
71 | 167Lu | 156Lu |
72 | 168Hf | 156Hf |
73 | 169Ta | 156Ta |
74 | 170W | |
75 | 171Re | |
76 | 172Os | |
77 | 173Ir | |
78 | 174Pt | |
79 | 175Au | |
80 | 176Hg | |
81 | 177Tl | |
82 | 178Pb | |
External data and identifiers
Last update: 2020-10-20
Perma link: https://www.chemlin.org/isotope/neodymium-156
© 1996 - 2024 ChemLin