Saved Bookmarks
| 1. |
Fluorine-18 is a radioactive isotope of fluorine that is used in medical imaging scans. It has ahalf-life of approximately 110 minutes. If a patient has a medical imaging scan using an injection of fluorine-18 at 9 am, at what time will there be less than 25% of the radioactive isotope in her body?a) 10 amb) 12 pmc) 1 pmd) 11 am |
| Answer» | |