Actinium (Ac) has several isotopes, with the most notable being Actinium-227 and Actinium-228. Here are some details about its isotopes: 1. **Actinium-227 (Ac-227)**: - Half-life: About 21.77 years. - Decay mode: It decays to radium-223 via alpha decay.
Actinium-225 (Ac-225) is a radioactive isotope of the element actinium, which is part of the actinide series in the periodic table. It has a half-life of approximately 10 days, making it a relatively short-lived isotope. Ac-225 is important in the field of nuclear medicine, particularly in targeted alpha-particle therapy (TAT), which is a form of cancer treatment.
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