isotopes in a sentence

Examples

1. It was U-235, a fissionable isotope of uranium.
2. The older a sediment is, the more isotopes it acquires.
3. Astatine-218 was the first astatine isotope discovered in nature.
4. Fourteen isotopes of berkelium were identified with mass numbers 238 252.
5. All these isotopes are characterized by high rates of spontaneous fission.
6. Five other isotopes have half-lives longer than a day.
7. No other isomer or isotope of gold has three decay paths.
8. The isotope was successfully produced in 2010 by the same team.
9. The atomic number defines the stable isotope, such as fluorine.
10. The isotopes of scandium range from 36 Sc to 60 Sc.