If an Atom's Atomic Number Is Given by Z, Its

question 61

Multiple Choice

If an atom's atomic number is given by Z, its atomic mass by A, and its neutron number by N, which of the following is correct?

• A)N = A + Z
• B)N = Z - A
• C)N = A - Z
• D)N = 2A + Z
• E)N = A + 2Z

---

Definitions:

Cortisol

A steroid hormone released by the adrenal glands in response to stress or low blood-glucose concentration; it plays a key role in the body's stress response.

Adrenal Gland

A pair of endocrine glands located above the kidneys that produce hormones such as adrenaline and cortisol.

Blood-Sugar Levels

The concentration of glucose in the blood, which is a critical factor in managing diabetes and maintaining overall health.

Serotonin Levels

The concentration of serotonin, a neurotransmitter, in the body, which can affect mood, appetite, and sleep.