What is the half-life of iodine-131?
Understand the Problem
The question is asking for the half-life of iodine-131, which is a concept in nuclear chemistry related to radioactive decay. The half-life refers to the time it takes for half of the radioactive atoms in a sample to decay.
Answer
8 days
The half-life of iodine-131 is approximately 8 days.
Answer for screen readers
The half-life of iodine-131 is approximately 8 days.
More Information
Iodine-131 is commonly used in medical treatments and diagnostics due to its short half-life and radioactive properties. It's especially useful in thyroid-related treatments.
Tips
Be sure to differentiate between physical half-life and biological half-life when studying radioactive decay.
Sources
- Iodine-131 - Wikipedia - en.wikipedia.org
- Iodine 131 - an overview | ScienceDirect Topics - sciencedirect.com
- Iodine-131 | Radiation Emergencies - CDC - cdc.gov
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