Neodymium-124

Properties and data of the isotope ¹²⁴Nd.

Content

General data

Name of the isotope:Neodymium-124; Nd-124Symbol:¹²⁴Nd or 12460NdMass number A:124 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:64Isotopic mass:123.95223(64) u (atomic weight of Neodymium-124)Nuclide mass:123.9193177 u (calculated nuclear mass without electrons)Mass excess:-44.49747 MeVMass defect:1.071826544 u (per nucleus)Nuclear binding energy:998.39999478 MeV (per nucleus)
8.05161286 MeV (average binding energy per nucleon)Half-life:500~ msDecay constant λ:1.3862943611199 s^-1Specific activity α:6.787365785365 × 10⁺²¹ Bq g^-1
183442318523.4 Ci g^-1Spin and parity:
(nuclear angular momentum)0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 64) and isobaric (same nucleon number A = 124) with Neodymium-124. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 64	Isobar A = 124
36	¹⁰⁰Kr
37	¹⁰¹Rb
38	¹⁰²Sr
39	¹⁰³Y
40	¹⁰⁴Zr
41	¹⁰⁵Nb
42	¹⁰⁶Mo
43	¹⁰⁷Tc
44	¹⁰⁸Ru	¹²⁴Ru
45	¹⁰⁹Rh	¹²⁴Rh
46	¹¹⁰Pd	¹²⁴Pd
47	¹¹¹Ag	¹²⁴Ag
48	¹¹²Cd	¹²⁴Cd
49	¹¹³In	¹²⁴In
50	¹¹⁴Sn	¹²⁴Sn
51	¹¹⁵Sb	¹²⁴Sb
52	¹¹⁶Te	¹²⁴Te
53	¹¹⁷I	¹²⁴I
54	¹¹⁸Xe	¹²⁴Xe
55	¹¹⁹Cs	¹²⁴Cs
56	¹²⁰Ba	¹²⁴Ba
57	¹²¹La	¹²⁴La
58	¹²²Ce	¹²⁴Ce
59	¹²³Pr	¹²⁴Pr
60	¹²⁴Nd	¹²⁴Nd