Answers Physical Science Half-Life — QuizQuestion 4

4

QuizMultiple Choice

Half-Life — Quiz

Question 4 • Physical Science

Which definition describes a half-life?

Answer

A

The time required for all of a radioactive sample to change because of heat.

B

The time required for half of a radioactive sample to decay.

C

The time required for half of a radioactive sample to become unstable.

D

The time required for all of a sample to break down due to pressure change.

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