Tellurium-130

Properties and data of the isotope ¹³⁰Te.

Contents

General data

Name of the isotope:Tellurium-130; Te-130Symbol:¹³⁰Te or 13052TeMass number A:130 (= number of nucleons)Atomic number Z:52 (= number of protons)Neutrons N:78Isotopic mass:129.90622275(8) u (atomic weight of Tellurium-130)Nuclide mass:129.8776984 u (calculated nuclear mass without electrons)Mass excess:-87.35295 MeVMass defect:1.176542362 u (per nucleus)Nuclear binding energy:1095.94215095 MeV (per nucleus)
8.43032424 MeV (average binding energy per nucleon)Separation energy:S_N = 8.4195(9) MeV (first neutron)
S_P = 10.013(21) MeV (first proton)Half-life:0.79 × 10²¹ aDecay constant λ:2.782221887302 × 10^-29 s^-1Specific activity α:1.29883194642 × 10^-7 Bq g^-1
3.510356611970 × 10^-18 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.7423(25) femtometer fmYear of discovery:1924

Radioactive Decay

Half-life T_½ = 0.79 × 10²¹ a respectively 2.491344 × 10²⁸ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
2 β^-	¹³⁰Xe	100 %

Parent Nuclides

Direct parent isotope is: ¹³⁰Sb.

Occurrence

Comparison of the natural Tellurium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	Quantity	Half-life	Spin
Tellurium Isotopic mixture	127.60 u	100 %
Isotope ¹²⁰Te	119.90406(2) u	0.09(1) %	stable	0+
Isotope ¹²²Te	121.90304(1) u	2.55(12) %	stable	0+
Isotope ¹²³Te	122.90427(1) u	0.89(3) %	9.2 × 10¹⁶ a	1/2+
Isotope ¹²⁴Te	123.90282(1) u	4.74(14) %	stable	0+
Isotope ¹²⁵Te	124.9044312(15) u	7.07(15) %	stable	1/2+
Isotope ¹²⁶Te	125.90331(1) u	18.84(25) %	stable	0+
Isotope ¹²⁸Te	127.904461(6) u	31.74(8) %	7.7(4) × 10²⁴ a	0+
Isotope ¹³⁰Te	129.90622275(8) u	34.08(62) %	0.79 × 10²¹ a	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 78) and isobaric (same nucleon number A = 130) with Tellurium-130. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 78	Isobar A = 130
43	¹²¹Tc
44	¹²²Ru
45	¹²³Rh
46	¹²⁴Pd
47	¹²⁵Ag	¹³⁰Ag
48	¹²⁶Cd	¹³⁰Cd
49	¹²⁷In	¹³⁰In
50	¹²⁸Sn	¹³⁰Sn
51	¹²⁹Sb	¹³⁰Sb
52	¹³⁰Te	¹³⁰Te
53	¹³¹I	¹³⁰I
54	¹³²Xe	¹³⁰Xe
55	¹³³Cs	¹³⁰Cs
56	¹³⁴Ba	¹³⁰Ba
57	¹³⁵La	¹³⁰La
58	¹³⁶Ce	¹³⁰Ce
59	¹³⁷Pr	¹³⁰Pr
60	¹³⁸Nd	¹³⁰Nd
61	¹³⁹Pm	¹³⁰Pm
62	¹⁴⁰Sm	¹³⁰Sm
63	¹⁴¹Eu	¹³⁰Eu
64	¹⁴²Gd
65	¹⁴³Tb
66	¹⁴⁴Dy
67	¹⁴⁵Ho
68	¹⁴⁶Er
69	¹⁴⁷Tm
70	¹⁴⁸Yb
71	¹⁴⁹Lu