Cerium-119
Properties and data of the isotope 119Ce.
See also: list of Cerium isotopes.
General data
Name of the isotope:Cerium-119; Ce-119Symbol:119Ce or 11958CeMass number A:119 (= number of nucleons)Atomic number Z:58 (= number of protons)Neutrons N:61Isotopic mass:118.95276(64) u (atomic weight of Cerium-119)Nuclide mass:118.9209446 u (calculated nuclear mass without electrons)Mass excess:-44.00378 MeVMass defect:1.029651732 u (per nucleus)Nuclear binding energy:959.11441045 MeV (per nucleus)
8.05978496 MeV (average binding energy per nucleon)Half-life:200 msDecay constant λ:3.4657359027997 s-1Specific activity α:1.768741507627 × 10+22 Bq g-1
478038245304.62 Ci g-1Spin and parity:
(nuclear angular momentum)5/2+
Radioactive Decay
Half-life T½ = 200 ms respectively 2 × 10-1 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β+ | 119La | | | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 61) and isobaric (same nucleon number A = 119) with Cerium-119. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 61 | Isobar A = 119 |
34 | 95Se | |
35 | 96Br | |
36 | 97Kr | |
37 | 98Rb | |
38 | 99Sr | |
39 | 100Y | |
40 | 101Zr | |
41 | 102Nb | |
42 | 103Mo | |
43 | 104Tc | 119Tc |
44 | 105Ru | 119Ru |
45 | 106Rh | 119Rh |
46 | 107Pd | 119Pd |
47 | 108Ag | 119Ag |
48 | 109Cd | 119Cd |
49 | 110In | 119In |
50 | 111Sn | 119Sn |
51 | 112Sb | 119Sb |
52 | 113Te | 119Te |
53 | 114I | 119I |
54 | 115Xe | 119Xe |
55 | 116Cs | 119Cs |
56 | 117Ba | 119Ba |
57 | 118La | 119La |
58 | 119Ce | 119Ce |
External data and identifiers
Last update: 2020-10-19
Perma link: https://www.chemlin.org/isotope/cerium-119
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