What Are Some Common Unstable Isotopes and Their Uses?

Learn about unstable isotopes like Uranium-235, Carbon-14, and Iodine-131, their applications, and why they are radioactive.

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Unstable isotopes include Uranium-235, Carbon-14, and Iodine-131. These isotopes are termed unstable because they decay over time, emitting radiation. Uranium-235 is crucial for nuclear power and weapons, Carbon-14 is used in radiocarbon dating, and Iodine-131 has applications in medical diagnostics and treatments. Handling these isotopes requires stringent safety measures due to their radioactive nature.

FAQs & Answers

  1. What makes an isotope unstable? An isotope is unstable when its nucleus has an imbalance of protons and neutrons, causing it to decay over time and emit radiation.
  2. What are the main uses of Uranium-235? Uranium-235 is primarily used as fuel in nuclear power plants and in the production of nuclear weapons due to its fissile properties.
  3. How is Carbon-14 used in radiocarbon dating? Carbon-14 dating measures the decay of Carbon-14 in organic materials to estimate the age of archaeological samples.
  4. What medical applications does Iodine-131 have? Iodine-131 is used in medical diagnostics and treatments, especially for thyroid-related conditions.

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