Which of the Following Pairs Has the Most Similar Chemical

question 33

Multiple Choice

Which of the following pairs has the most similar chemical properties?

• A)1H and 22Na
• B)12C and 28Si
• C)16O and 32S
• D)12C and 14C
• E)1H and 2He

---

Definitions:

Adrenal Glands

Small glands located on top of each kidney that produce hormones such as adrenaline and cortisol, which help control heart rate, blood pressure, and other important bodily functions.

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and a key component in the body's stress response system.

Melatonin

A hormone produced by the pineal gland that helps regulate sleep-wake cycles.

Telomeres

Protective caps at the end of chromosomes that shorten with each cell division, associated with aging.