Radioisotopes and Their Applications
Chemistry ⇒ Nuclear Chemistry
Radioisotopes and Their Applications starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Radioisotopes and Their Applications.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A 100 g sample of a radioisotope decays to 12.5 g in 3 hours. What is its half-life?
A patient is given a radioisotope with a half-life of 6 hours. If the initial activity is 800 Bq, what will the activity be after 18 hours?
A sample contains 80 g of a radioisotope with a half-life of 2 hours. How much of the radioisotope will remain after 6 hours?
A scientist uses a radioisotope with a half-life of 5 days. If 32 mg remains after 15 days, what was the original amount?
Describe how radioisotopes are used to detect leaks in underground pipelines.
Describe how radioisotopes are used to measure the thickness of materials in manufacturing.
Describe one use of radioisotopes in agriculture.
Describe one way radioisotopes are used in industry.
Describe the principle behind radiocarbon dating.
Explain how radioisotopes are used in cancer treatment.
Explain the safety precautions necessary when handling radioisotopes.
Explain why radioisotopes are useful as tracers in chemical and biological systems.
Explain why radioisotopes with long half-lives are not suitable for medical imaging.
Explain why short-lived radioisotopes are preferred for medical imaging.
Name one radioisotope used in the sterilization of medical equipment.
What is a radioisotope?
