Answers Physical Science Nuclear Chemistry — TestQuestion 10

10

QuizMultiple Choice

Nuclear Chemistry — Test

Question 10 • Physical Science

Which definition describes a half-life?

Answer

A

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

B

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

C

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

D

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

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