Starting with a Sample of Pure ⁶⁶Cu, 7/8 of It

question 18

Multiple Choice

Starting with a sample of pure ⁶⁶Cu, 7/8 of it decays into Zn in 15 minutes. The corresponding half-life is:

• A) 15 minutes
• B) 5 minutes
• C) 7 minutes
• D) 3.75 minutes
• E) 10 minutes

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Definitions:

Allergist

A specialist who diagnoses and treats physical reactions to substances including mold, dust, fur, pollen, foods, drugs, and chemicals.

Cholecystitis

Inflammation of the gallbladder, often caused by gallstones, leading to acute pain and other digestive symptoms.

Gallbladder

A small, pear-shaped organ located beneath the liver that stores bile secreted by the liver and releases it into the small intestine to aid in digestion.

Fatty Foods

Foods high in fat content, often associated with negative health impacts such as increased risk of obesity and heart disease.