A Radioactive Element Has a Half-Life of 16 Min

question 4

Multiple Choice

A radioactive element has a half-life of 16 min. How many minutes will it take for the number of atoms present to decay to 1/8th of the initial value?

• A) 450 min
• B) 48 min
• C) 2.0 min
• D) 128 min
• E) 250 min

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Definitions:

Dietary Cholesterol

Cholesterol obtained from food, primarily from animal sources, which can impact blood cholesterol levels and heart health.

Plant Foods

Refers to foods derived from plants, including vegetables, fruits, whole grains, nuts, seeds, and legumes.

Folic Acid

A B-vitamin that is crucial for healthy cell growth and development, especially significant during pregnancy for the prevention of neural tube defects.

Pregnant

The state of carrying a developing embryo or fetus within the female body, typically lasting around 40 weeks in humans.