Tellurium-113

Properties and data of the isotope ¹¹³Te.

Content

General data

Name of the isotope:Tellurium-113; Te-113Symbol:¹¹³Te or 11352TeMass number A:113 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:61Isotopic mass:112.91589(3) u (atomic weight of Tellurium-113)Nuclide mass:112.8873656 u (calculated nuclear mass without electrons)Mass excess:-78.34796 MeVMass defect:1.01957154 u (per nucleus)Nuclear binding energy:949.72477208 MeV (per nucleus)
8.404644 MeV (average binding energy per nucleon)Separation energy:S_N = 8.851(29) MeV (first neutron)
S_P = 4.04(3) MeV (first proton)Half-life:1.7(2) minDecay constant λ:0.006795560593725 s^-1Specific activity α:3.653912778361 × 10⁺¹⁹ Bq g^-1
987543994.1517 Ci g^-1Spin and parity:
(nuclear angular momentum)(7/2+)Year of discovery:1974

Radioactive Decay

Half-life T_½ = 1.7(2) min (minutes) respectively 1.02 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹¹³Sb	100 %	6.07(3) MeV

Parent Nuclides

Direct parent isotope is: ¹¹³I.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 61) and isobaric (same nucleon number A = 113) with Tellurium-113. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 61	Isobar A = 113
34	⁹⁵Se
35	⁹⁶Br
36	⁹⁷Kr
37	⁹⁸Rb
38	⁹⁹Sr
39	¹⁰⁰Y
40	¹⁰¹Zr
41	¹⁰²Nb	¹¹³Nb
42	¹⁰³Mo	¹¹³Mo
43	¹⁰⁴Tc	¹¹³Tc
44	¹⁰⁵Ru	¹¹³Ru
45	¹⁰⁶Rh	¹¹³Rh
46	¹⁰⁷Pd	¹¹³Pd
47	¹⁰⁸Ag	¹¹³Ag
48	¹⁰⁹Cd	¹¹³Cd
49	¹¹⁰In	¹¹³In
50	¹¹¹Sn	¹¹³Sn
51	¹¹²Sb	¹¹³Sb
52	¹¹³Te	¹¹³Te
53	¹¹⁴I	¹¹³I
54	¹¹⁵Xe	¹¹³Xe
55	¹¹⁶Cs	¹¹³Cs
56	¹¹⁷Ba
57	¹¹⁸La
58	¹¹⁹Ce