Half Life
Cards (38)
- What is the nature of radioactive decay?
- Why can't we predict when a specific atom will decay?
- What can be estimated over a longer period of time regarding radioactive decay?
- What is the definition of half-life?
- How is half-life measured in terms of radiation?
- Is half-life unique to each radioactive element?
- What is required to calculate an accurate estimate of half-life?
- How can decay curves be used in radioactivity?
- What does a count-rate-time graph show?
- What happens every time the count-rate halves?
- What is the half-life of Uranium-235?
- What is the half-life of Plutonium-239?
- What is the half-life of Carbon-14?
- What is the half-life of Technetium-99m?
- What is the half-life of Polonium-218?
- What are some uses of radioactive materials?
- How is beta radiation used in measuring thickness?
- What does a constant level of radiation indicate in thickness measurement?
- How does gamma radiation sterilise medical equipment?
- How does alpha radiation function in smoke alarms?
- What happens when smoke is present in a smoke alarm?
- Why do alpha sources in smoke alarms have long half-lives?
- How are radioactive materials used as medical tracers?
- What is Technetium-99m used for?
- Why is Technetium-99m's short half-life beneficial?
- How is gamma radiation used in cancer treatment?
- Why are long half-life sources used in cancer treatment?
- What is Targeted Alpha Therapy (TAT)?
- Why is alpha radiation better for certain treatments?
- How is carbon-14 used in dating?
- What happens to carbon-14 absorption after an organism dies?
- How can we estimate the age of an object using carbon-14?
- If a bone has 25% of carbon-14, how old is it?
- How many half-lives have passed if 25% of carbon-14 remains?
- What does the decay curve for carbon-14 indicate?
- What is the maximum age carbon-14 can effectively date?
- Why is prolonged exposure to radiation dangerous?
- How does the use of alpha radiation in TAT differ from gamma radiation?