Neodymium-151

Properties and data of the isotope ¹⁵¹Nd.

Contents

General data

Name of the isotope:Neodymium-151; Nd-151Symbol:¹⁵¹Nd or 15160NdMass number A:151 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:91Isotopic mass:150.9238396(14) u (atomic weight of Neodymium-151)Nuclide mass:150.8909273 u (calculated nuclear mass without electrons)Mass excess:-70.94296 MeVMass defect:1.334169676 u (per nucleus)Nuclear binding energy:1242.77104818 MeV (per nucleus)
8.23027184 MeV (average binding energy per nucleon)Separation energy:S_N = 5.33455(10) MeV (first neutron)
S_P = 9.931(9) MeV (first proton)Half-life:12.44(7) minDecay constant λ:0.00092865377888524 s^-1Specific activity α:3.728322577706 × 10⁺¹⁸ Bq g^-1
100765475.07314 Ci g^-1Spin and parity:
(nuclear angular momentum)3/2+Year of discovery:1938

Radioactive Decay

Half-life T_½ = 12.44(7) min (minutes) respectively 7.464 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁵¹Pm	100 %	2.443(4) MeV

Parent Nuclides

Direct parent isotope is: ¹⁵¹Pr.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 91) and isobaric (same nucleon number A = 151) with Neodymium-151. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 91	Isobar A = 151
52	¹⁴³Te
53	¹⁴⁴I
54	¹⁴⁵Xe
55	¹⁴⁶Cs	¹⁵¹Cs
56	¹⁴⁷Ba	¹⁵¹Ba
57	¹⁴⁸La	¹⁵¹La
58	¹⁴⁹Ce	¹⁵¹Ce
59	¹⁵⁰Pr	¹⁵¹Pr
60	¹⁵¹Nd	¹⁵¹Nd
61	¹⁵²Pm	¹⁵¹Pm
62	¹⁵³Sm	¹⁵¹Sm
63	¹⁵⁴Eu	¹⁵¹Eu
64	¹⁵⁵Gd	¹⁵¹Gd
65	¹⁵⁶Tb	¹⁵¹Tb
66	¹⁵⁷Dy	¹⁵¹Dy
67	¹⁵⁸Ho	¹⁵¹Ho
68	¹⁵⁹Er	¹⁵¹Er
69	¹⁶⁰Tm	¹⁵¹Tm
70	¹⁶¹Yb	¹⁵¹Yb
71	¹⁶²Lu	¹⁵¹Lu
72	¹⁶³Hf
73	¹⁶⁴Ta
74	¹⁶⁵W
75	¹⁶⁶Re
76	¹⁶⁷Os
77	¹⁶⁸Ir
78	¹⁶⁹Pt
79	¹⁷⁰Au
80	¹⁷¹Hg