If a Sample Initially Contains 1

question 16

Multiple Choice

If a sample initially contains 1.35 mg of Plutonium-236,what mass of Pu-236 is present after 5.00 years? (half-life is 2.86 years)

• A)0.675 mg
• B)0.402 mg
• C)0.240 mg
• D)1.43 mg

---

Definitions:

Relaxed

A physical and mental state characterized by reduced tension and anxiety.

Aggressive

Refers to a range of behaviors that can result in both physical and psychological harm to oneself, others, or objects in the environment.

Stress Relief

Methods or strategies used to reduce tension, anxiety, or the physiological and psychological effects of stress.

Entertainment

The act or activity designed to provide pleasure, amusement, or relaxation to an audience, typically involving performances, shows, or games.