There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O. Radioisotopes are known from 11O to 28O (particle-bound from mass number 13 to 24), and the most stable are 15O with half-life 122.27 seconds and 14O with half-life 70.62 seconds. All remaining radioisotopes are even shorter in lifetime.
There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O. Radioisotopes are known from 11O to 28O (particle-bound from mass number 13 to 24), and the most stable are 15O with half-life 122.27 seconds and 14O with half-life 70.62 seconds. All remaining radioisotopes are even shorter in lifetime.
Source: Wikipedia "Isotopes of oxygen" · CC BY-SA 4.0
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