Cerium-132
Properties and data of the isotope 132Ce.
See also: list of Cerium isotopes.
General data
Name of the isotope:Cerium-132; Ce-132Symbol:132Ce or 13258CeMass number A:132 (= number of nucleons)Atomic number Z:58 (= number of protons)Neutrons N:74Isotopic mass:131.911464(22) u (atomic weight of Cerium-132)Nuclide mass:131.8796486 u (calculated nuclear mass without electrons)Mass excess:-82.47075 MeVMass defect:1.18359164 u (per nucleus)Nuclear binding energy:1102.50851111 MeV (per nucleus)
8.35233721 MeV (average binding energy per nucleon)Separation energy:SN = 10.83(40) MeV (first neutron)
SP = 5.99(3) MeV (first proton)Half-life:3.51(11) hDecay constant λ:5.485495256093 × 10-5 s-1Specific activity α:2.521711841122 × 10+17 Bq g-1
6815437.40844 Ci g-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1960
Radioactive Decay
Half-life T½ = 3.51(11) h (hours) respectively 1.2636 × 104 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EC/β+ | 132La | 100 % | 1.25(4) MeV | |
Parent Nuclides
Direct parent isotope is: 132Pr.
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
Nuclear Isomer | Excitation Energy | Half-life | Spin |
---|
132mCe | 2341.15(21) keV | 9.4(3) ms | (8-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 74) and isobaric (same nucleon number A = 132) with Cerium-132. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 74 | Isobar A = 132 |
41 | 115Nb | |
42 | 116Mo | |
43 | 117Tc | |
44 | 118Ru | |
45 | 119Rh | |
46 | 120Pd | |
47 | 121Ag | 132Ag |
48 | 122Cd | 132Cd |
49 | 123In | 132In |
50 | 124Sn | 132Sn |
51 | 125Sb | 132Sb |
52 | 126Te | 132Te |
53 | 127I | 132I |
54 | 128Xe | 132Xe |
55 | 129Cs | 132Cs |
56 | 130Ba | 132Ba |
57 | 131La | 132La |
58 | 132Ce | 132Ce |
59 | 133Pr | 132Pr |
60 | 134Nd | 132Nd |
61 | 135Pm | 132Pm |
62 | 136Sm | 132Sm |
63 | 137Eu | 132Eu |
64 | 138Gd | |
65 | 139Tb | |
66 | 140Dy | |
67 | 141Ho | |
External data and identifiers
Last update: 2020-10-19
Perma link: https://www.chemlin.org/isotope/cerium-132
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