The half-life of the radioactive isotope of Francium (), the heaviest alkali metal, is approximately — s Block Elements Chemistry Question
Question
The half-life of the radioactive isotope of Francium ($^{223}Fr$), the heaviest alkali metal, is approximately:
Answer: B
💡 Solution & Explanation
Francium occurs only in traces as a radioactive decay product. Its longest-lived isotope, $^{223}Fr$, has an extremely small half-life period of approximately 21 minutes.
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