There are 15 isotopes.
Physical Properties of Oxygen-18
It is a colorless, odorless, tasteless gas.
In solid and liquid forms, it a pale blue and strongly paramagnetic.
The relative abundance is 0.200 12 %.
Uses for Oxygen-18
Plants produce oxygen.
They use it as therapy to treat COPD.
It is stable by itself.
It is available commercially.
Antoine-Laurent Lavoisier discovered the isotope.