Uranium-238 Undergoes Radioactive Decay with a Half-Life of 4

question 34

Multiple Choice

Uranium-238 undergoes radioactive decay with a half-life of 4.5 billion years,producing lead-206.After 13.5 billion years,what is the ratio of uranium-238 to lead-206 in a sample that originally contained only uranium-238?

• A) 1:2
• B) 1:3
• C) 1:4
• D) 1:8

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Definitions:

Group Therapy

A form of psychotherapy in which one or more therapists treat a small group of clients together as a group.

Therapist

A professional trained to provide psychological counseling and support to individuals dealing with emotional, mental, or behavioral issues.

Group Therapy

A form of psychotherapy that involves one or more therapists working with several people at the same time, often beneficial for sharing experiences and strategies.

Social Skills

The ability to communicate, interact, and behave appropriately in social contexts.