The Radiochemist, Will I $\alpha$ Particles in One Year

question 41

Multiple Choice

The radiochemist, Will I. Glow, studied thorium-232 and found that 2.82 *10¯⁷ moles emitted 8.42 *10⁶ $\alpha$ particles in one year. What is the decay constant for thorium-232?

• A) 3.35 * 10¯¹⁴ yr¯¹
• B) 4.96 *10¯¹¹ yr¯¹
• C) 1.40 * 10¹⁰ yr¯¹
• D) 2.99 * 10¹³ yr¯¹
• E) None of these choices is correct.

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Definitions:

Cognitive Biases

Tendencies to acquire and process information in an error-prone way.

Capacity To Acquire

The ability to learn or gain new skills, knowledge, or abilities, often considered in the context of individual or organizational growth and development.

Arouse Controversy

To provoke public debate or dispute, often by challenging established norms or opinions.

Interested

Exhibiting curiosity or concern about something or someone, showing a desire to be involved with or learn more about the object of interest.