Answer:
Option D. fluorine-18
Explanation:
The attached photo gives the explanation.
In the attached photo, A zX represent the atom that will undergo beta decay to produce oxygen–18.
After the calculation, A zX was found to be fluorine–18.
Answer:
hard and brittle
hope this helps you ☺️☺️
good night take care sweet dream
to be as exact as i can it is all of them they all work together to make water good.