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Questions and Answers
Which of the following is the definition of half-life in radioactive decay?
Which of the following is the definition of half-life in radioactive decay?
- The time it takes for half of a sample to decay (correct)
- The time it takes for a sample to completely decay
- The time it takes for a sample to decay by one third
- The time it takes for a sample to decay by two thirds
What is the initial mass of the nitrogen-16 sample in the given problem?
What is the initial mass of the nitrogen-16 sample in the given problem?
- 12.5 g
- 50.0 g
- 200.0 g
- 100.0 g (correct)
What is the half-life of the nitrogen-16 sample in the given problem?
What is the half-life of the nitrogen-16 sample in the given problem?
- 13.5 s
- 16.2 s
- 8.64 s
- 10.8 s (correct)
