The Radiochemist, Will I

question 35

Multiple Choice

The radiochemist, Will I. Glow, studied thorium-232 and found that 2.82 × 10^-7 moles emitted 8.42 × 10⁶ α 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 the answers is correct.

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Definitions:

Precognition

The alleged ability to see or know about events before they happen.

Motivations

Motivations are the driving forces behind human actions, desires, and needs.

Perception

The method through which people arrange and understand their sensory observations to assign significance to their surroundings.

Emotion

A complex psychological state that involves a subjective experience, physiological response, and behavioral or expressive response.