Tellurium-116

Properties and data of the isotope ¹¹⁶Te.

Content

General data

Name of the isotope:Tellurium-116; Te-116Symbol:¹¹⁶Te or 11652TeMass number A:116 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:64Isotopic mass:115.90846(3) u (atomic weight of Tellurium-116)Nuclide mass:115.8799356 u (calculated nuclear mass without electrons)Mass excess:-85.26896 MeVMass defect:1.052996288 u (per nucleus)Nuclear binding energy:980.85972429 MeV (per nucleus)
8.45568728 MeV (average binding energy per nucleon)Separation energy:S_N = 11.28(4) MeV (first neutron)
S_P = 5.55(3) MeV (first proton)Half-life:2.49(4) hDecay constant λ:7.732565601962 × 10^-5 s^-1Specific activity α:4.049269501193 × 10⁺¹⁷ Bq g^-1
10943971.624846 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.6847(128) femtometer fmYear of discovery:1958

Radioactive Decay

Half-life T_½ = 2.49(4) h (hours) respectively 8.964 × 10³ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹¹⁶Sb	100 %	1.553(28) MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁶I.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 64) and isobaric (same nucleon number A = 116) with Tellurium-116. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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