Oxygen-24
Properties and data of the isotope 24O.
See also: list of Oxygen isotopes.
General data
Name of the isotope:Oxygen-24; O-24Symbol:24O or 248OMass number A:24 (= number of nucleons)Atomic number Z:8 (= number of protons)Neutrons N:16Isotopic mass:24.01986(18) u (atomic weight of Oxygen-24)Nuclide mass:24.0154714 u (calculated nuclear mass without electrons)Mass excess:18.49947 MeVMass defect:0.181378912 u (per nucleus)Nuclear binding energy:168.95336825 MeV (per nucleus)
7.03972368 MeV (average binding energy per nucleon)Separation energy:SN = 4.19(20) MeV (first neutron)
SP = 25.51(45) MeV (first proton)Half-life:65(5) msDecay constant λ:10.663802777845 s-1Specific activity α:2.675788434615 × 10+23 Bq g-1
7231860634095.7 Ci g-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1970
Radioactive Decay
Half-life T½ = 65(5) ms respectively 6.5 × 10-2 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β- | 24F | 42 % | 10.941 MeV | |
β-, n | 23F | 58(12) % | 7.1195 MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 16) and isobaric (same nucleon number A = 24) with Oxygen-24. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 16 | Isobar A = 24 |
5 | 21B | |
6 | 22C | |
7 | 23N | 24N |
8 | 24O | 24O |
9 | 25F | 24F |
10 | 26Ne | 24Ne |
11 | 27Na | 24Na |
12 | 28Mg | 24Mg |
13 | 29Al | 24Al |
14 | 30Si | 24Si |
15 | 31P | 24P |
16 | 32S | |
17 | 33Cl | |
18 | 34Ar | |
19 | 35K | |
20 | 36Ca | |
21 | 37Sc | |
22 | 38Ti | |
External data and identifiers
Last update: 2020-10-12
Perma link: https://www.chemlin.org/isotope/oxygen-24
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