Neodymium-150

Properties and data of the isotope ¹⁵⁰Nd.

Contents

General data

Name of the isotope:Neodymium-150; Nd-150Symbol:¹⁵⁰Nd or 15060NdMass number A:150 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:90Isotopic mass:149.92090(2) u (atomic weight of Neodymium-150)Nuclide mass:149.8879877 u (calculated nuclear mass without electrons)Mass excess:-73.68118 MeVMass defect:1.32844436 u (per nucleus)Nuclear binding energy:1237.43795067 MeV (per nucleus)
8.24958634 MeV (average binding energy per nucleon)Separation energy:S_N = 7.3756(19) MeV (first neutron)
S_P = 9.929(10) MeV (first proton)Half-life:6.7(7) × 10¹⁸ aDecay constant λ:3.280530285028 × 10^-27 s^-1Specific activity α:1.325893655820 × 10^-5 Bq g^-1
3.58349636708 × 10^-16 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:5.0400(44) femtometer fmYear of discovery:1937

Radioactive Decay

Half-life T_½ = 6.7(7) × 10¹⁸ a respectively 2.112912 × 10²⁶ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
2 β^-	¹⁵⁰Sm	100 %

Parent Nuclides

Direct parent isotopes are: ¹⁵⁰Pm, ¹⁵⁰Pr.

Occurrence

Comparison of the natural Neodymium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	Quantity	Half-life	Spin
Neodymium Isotopic mixture	144.242 u	100 %
Isotope ¹⁴²Nd	141.90773(2) u	27.153(40) %	stable	0+
Isotope ¹⁴³Nd	142.90982(2) u	12.173(26) %	stable	7/2-
Isotope ¹⁴⁴Nd	143.9100928(13) u	23.798(19) %	2.29(16) × 10¹⁵ a	0+
Isotope ¹⁴⁵Nd	144.91258(2) u	8.293(12) %	stable	7/2-
Isotope ¹⁴⁶Nd	145.91312(2) u	17.189(32) %	stable	0+
Isotope ¹⁴⁸Nd	147.91690(2) u	5.756(21) %	stable	0+
Isotope ¹⁵⁰Nd	149.92090(2) u	5.638(28) %	6.7(7) × 10¹⁸ a	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 90) and isobaric (same nucleon number A = 150) with Neodymium-150. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 90	Isobar A = 150
51	¹⁴¹Sb
52	¹⁴²Te
53	¹⁴³I
54	¹⁴⁴Xe
55	¹⁴⁵Cs	¹⁵⁰Cs
56	¹⁴⁶Ba	¹⁵⁰Ba
57	¹⁴⁷La	¹⁵⁰La
58	¹⁴⁸Ce	¹⁵⁰Ce
59	¹⁴⁹Pr	¹⁵⁰Pr
60	¹⁵⁰Nd	¹⁵⁰Nd
61	¹⁵¹Pm	¹⁵⁰Pm
62	¹⁵²Sm	¹⁵⁰Sm
63	¹⁵³Eu	¹⁵⁰Eu
64	¹⁵⁴Gd	¹⁵⁰Gd
65	¹⁵⁵Tb	¹⁵⁰Tb
66	¹⁵⁶Dy	¹⁵⁰Dy
67	¹⁵⁷Ho	¹⁵⁰Ho
68	¹⁵⁸Er	¹⁵⁰Er
69	¹⁵⁹Tm	¹⁵⁰Tm
70	¹⁶⁰Yb	¹⁵⁰Yb
71	¹⁶¹Lu	¹⁵⁰Lu
72	¹⁶²Hf
73	¹⁶³Ta
74	¹⁶⁴W
75	¹⁶⁵Re
76	¹⁶⁶Os
77	¹⁶⁷Ir
78	¹⁶⁸Pt