Oxygen-28
Properties and data of the isotope 28O.
See also: list of Oxygen isotopes.
General data
Name of the isotope:Oxygen-28; O-28Symbol:28O or 288OMass number A:28 (= number of nucleons)Atomic number Z:8 (= number of protons)Neutrons N:20Mass defect:28.235898576 u (per nucleus)Nuclear binding energy:26301.57010815 MeV (per nucleus)
939.34178958 MeV (average binding energy per nucleon)Half-life:Spin and parity:
(nuclear angular momentum)Year of discovery:2023
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 20) and isobaric (same nucleon number A = 28) with Oxygen-28. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 20 | Isobar A = 28 |
|---|
| 8 | 28O | 28O |
| 9 | 29F | 28F |
| 10 | 30Ne | 28Ne |
| 11 | 31Na | 28Na |
| 12 | 32Mg | 28Mg |
| 13 | 33Al | 28Al |
| 14 | 34Si | 28Si |
| 15 | 35P | 28P |
| 16 | 36S | 28S |
| 17 | 37Cl | 28Cl |
| 18 | 38Ar | |
| 19 | 39K | |
| 20 | 40Ca | |
| 21 | 41Sc | |
| 22 | 42Ti | |
| 23 | 43V | |
| 24 | 44Cr | |
| 25 | 45Mn | |
| 26 | 46Fe | |
| 27 | 47Co | |
| 28 | 48Ni | |
Literature and References
[1] - Y. Kondo, N. L. Achouri, H. Al Falou et al.:
First observation of 28O.
In: Nature, (2023), DOI 10.1038/s41586-023-06352-6.
Last update: 2023-09-05
Perma link: https://www.chemlin.org/isotope/oxygen-28
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