Radioactive Element a Decays to the Stable Element B with a Half-Life

question 59

Multiple Choice

Radioactive element A decays to the stable element B with a half-life T. Starting with a sample of pure A and no B, which graph below most correctly shows the number of A atoms, N_A, as a function of time t?

• A) I
• B) II
• C) III
• D) IV
• E) V

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Definitions:

Adrenal Glands

Small glands located on top of each kidney, responsible for producing hormones that regulate metabolism, immune system, blood pressure, and stress responses.

Thyroid Glands

Glands located in the neck that produce hormones regulating the body's metabolism, energy level, and overall development.

Pancreas

A glandular organ in the digestive system and endocrine system of vertebrates that produces several important hormones, including insulin, and secretes pancreatic juice containing digestive enzymes that assist digestion and absorption of nutrients in the small intestine.

Hormones

Biological compounds synthesized and secreted by endocrine glands in the body that regulate physiological activities and behavioral responses.