Tellurium-134

Properties and data of the isotope ¹³⁴Te.

Content

General data

Name of the isotope:Tellurium-134; Te-134Symbol:¹³⁴Te or 13452TeMass number A:134 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:82Isotopic mass:133.9113964(29) u (atomic weight of Tellurium-134)Nuclide mass:133.882872 u (calculated nuclear mass without electrons)Mass excess:-82.53372 MeVMass defect:1.206028376 u (per nucleus)Nuclear binding energy:1123.40819607 MeV (per nucleus)
8.38364325 MeV (average binding energy per nucleon)Separation energy:S_N = 7.668(3) MeV (first neutron)
S_P = 10.899(4) MeV (first proton)Half-life:41.8(8) minDecay constant λ:0.00027637447390747 s^-1Specific activity α:1.251403016512 × 10⁺¹⁸ Bq g^-1
33821703.148989 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.7569(41) femtometer fmYear of discovery:1948

Radioactive Decay

Half-life T_½ = 41.8(8) min (minutes) respectively 2.508 × 10³ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹³⁴I	100 %	1.510(5) MeV

Parent Nuclides

Direct parent isotopes are: ¹³⁴Sb, ²³⁵Sb, ²⁴⁸Cm.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 82) and isobaric (same nucleon number A = 134) with Tellurium-134. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 82	Isobar A = 134
45	¹²⁷Rh
46	¹²⁸Pd
47	¹²⁹Ag
48	¹³⁰Cd	¹³⁴Cd
49	¹³¹In	¹³⁴In
50	¹³²Sn	¹³⁴Sn
51	¹³³Sb	¹³⁴Sb
52	¹³⁴Te	¹³⁴Te
53	¹³⁵I	¹³⁴I
54	¹³⁶Xe	¹³⁴Xe
55	¹³⁷Cs	¹³⁴Cs
56	¹³⁸Ba	¹³⁴Ba
57	¹³⁹La	¹³⁴La
58	¹⁴⁰Ce	¹³⁴Ce
59	¹⁴¹Pr	¹³⁴Pr
60	¹⁴²Nd	¹³⁴Nd
61	¹⁴³Pm	¹³⁴Pm
62	¹⁴⁴Sm	¹³⁴Sm
63	¹⁴⁵Eu	¹³⁴Eu
64	¹⁴⁶Gd	¹³⁴Gd
65	¹⁴⁷Tb
66	¹⁴⁸Dy
67	¹⁴⁹Ho
68	¹⁵⁰Er
69	¹⁵¹Tm
70	¹⁵²Yb
71	¹⁵³Lu
72	¹⁵⁴Hf
73	¹⁵⁵Ta