What Are Unstable Isotopes and Their Uses?
Learn what unstable isotopes are, why they are radioactive, and their applications in medicine, research, and artifact dating.
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Unstable isotopes are variants of elements with an uneven number of neutrons, making them radioactive. They decay over time, emitting radiation until they reach a stable form. These isotopes are used in medical imaging and treatments, as well as in research and dating ancient artifacts.
FAQs & Answers
- What causes isotopes to be unstable? Isotopes become unstable when they have an uneven number of neutrons, which makes their atomic nucleus radioactive and prone to decay over time.
- How are unstable isotopes used in medical imaging? Unstable isotopes emit radiation detectable by imaging equipment, allowing doctors to visualize internal organs and diagnose conditions.
- Why are unstable isotopes important for dating ancient artifacts? Because they decay at a predictable rate, unstable isotopes help scientists estimate the age of artifacts by measuring remaining radiation levels.