Tellurium-142

Properties and data of the isotope ¹⁴²Te.

Content

General data

Name of the isotope:Tellurium-142; Te-142Symbol:¹⁴²Te or 14252TeMass number A:142 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:90Isotopic mass:141.95022(54) u (atomic weight of Tellurium-142)Nuclide mass:141.9216956 u (calculated nuclear mass without electrons)Mass excess:-46.36977 MeVMass defect:1.236524104 u (per nucleus)Nuclear binding energy:1151.81478373 MeV (per nucleus)
8.11137172 MeV (average binding energy per nucleon)Separation energy:S_N = 3.95(64) MeV (first neutron)
S_P = 14.55(71) MeV (first proton)Half-life:Spin and parity:
(nuclear angular momentum)0+Year of discovery:1994

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 90) and isobaric (same nucleon number A = 142) with Tellurium-142. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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