Tellurium-114

Properties and data of the isotope ¹¹⁴Te.

Content

General data

Name of the isotope:Tellurium-114; Te-114Symbol:¹¹⁴Te or 11452TeMass number A:114 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:62Isotopic mass:113.91209(3) u (atomic weight of Tellurium-114)Nuclide mass:113.8835656 u (calculated nuclear mass without electrons)Mass excess:-81.88764 MeVMass defect:1.032036456 u (per nucleus)Nuclear binding energy:961.33576655 MeV (per nucleus)
8.43276988 MeV (average binding energy per nucleon)Separation energy:S_N = 11.61(4) MeV (first neutron)
S_P = 4.76(3) MeV (first proton)Half-life:15.2(7) minDecay constant λ:0.00076002980324555 s^-1Specific activity α:4.050448259198 × 10⁺¹⁸ Bq g^-1
109471574.57294 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1968

Radioactive Decay

Half-life T_½ = 15.2(7) min (minutes) respectively 9.12 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹¹⁴Sb	100 %	2.61(4) MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁴I.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 62) and isobaric (same nucleon number A = 114) with Tellurium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 62	Isobar A = 114
35	⁹⁷Br
36	⁹⁸Kr
37	⁹⁹Rb
38	¹⁰⁰Sr
39	¹⁰¹Y
40	¹⁰²Zr
41	¹⁰³Nb	¹¹⁴Nb
42	¹⁰⁴Mo	¹¹⁴Mo
43	¹⁰⁵Tc	¹¹⁴Tc
44	¹⁰⁶Ru	¹¹⁴Ru
45	¹⁰⁷Rh	¹¹⁴Rh
46	¹⁰⁸Pd	¹¹⁴Pd
47	¹⁰⁹Ag	¹¹⁴Ag
48	¹¹⁰Cd	¹¹⁴Cd
49	¹¹¹In	¹¹⁴In
50	¹¹²Sn	¹¹⁴Sn
51	¹¹³Sb	¹¹⁴Sb
52	¹¹⁴Te	¹¹⁴Te
53	¹¹⁵I	¹¹⁴I
54	¹¹⁶Xe	¹¹⁴Xe
55	¹¹⁷Cs	¹¹⁴Cs
56	¹¹⁸Ba	¹¹⁴Ba
57	¹¹⁹La
58	¹²⁰Ce
59	¹²¹Pr