Oxygen-27
Properties and data of the isotope 27O.
See also: list of Oxygen isotopes.
General data
Name of the isotope:Oxygen-27; O-27Symbol:27O or 278OMass number A:27 (= number of nucleons)Atomic number Z:8 (= number of protons)Neutrons N:19Mass defect:27.22723366 u (per nucleus)Nuclear binding energy:25362.00479089 MeV (per nucleus)
939.33351077 MeV (average binding energy per nucleon)Half-life:Spin and parity:
(nuclear angular momentum)Year of discovery:2023
Radioactive Decay
| Decay mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| 3n | 24O | | | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 19) and isobaric (same nucleon number A = 27) with Oxygen-27. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 19 | Isobar A = 27 |
|---|
| 8 | 27O | 27O |
| 9 | 28F | 27F |
| 10 | 29Ne | 27Ne |
| 11 | 30Na | 27Na |
| 12 | 31Mg | 27Mg |
| 13 | 32Al | 27Al |
| 14 | 33Si | 27Si |
| 15 | 34P | 27P |
| 16 | 35S | 27S |
| 17 | 36Cl | |
| 18 | 37Ar | |
| 19 | 38K | |
| 20 | 39Ca | |
| 21 | 40Sc | |
| 22 | 41Ti | |
| 23 | 42V | |
| 24 | 43Cr | |
| 25 | 44Mn | |
| 26 | 45Fe | |
| 27 | 46Co | |
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-27
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