Mini-Quiz: Radioactivity

1. What determines if a nucleus is stable?

   The number of isotopes within the nucleusSorry, not correct. Try another button. The number of neutrons is a major factorThat is correct. You understand radioactivity. The half-life of the neutronsGood try, but not right. Select another answer.

2. What is the most dangerous factor in radioactivity?

   Uranium is highly poisonousSorry, not correct. Try another button. Electrical shocks can kill peopleOops! Wrong answer. Re-read the question and try again. Gamma rays can destroy cellsCorrect. You are getting smarter every day.

3. If radiation can cause cancer, how can it help fight cancer?

   It kills cancer cells more than normal cellsThat is correct. You understand radioactivity. It kills people with cancerGood try, but not right. Select another answer. It creates radioactive pelletsOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.