What Is the Symbol of the Element in Period 4

question 34

Multiple Choice

What is the symbol of the element in Period 4 and Group 2?

• A)Be
• B)Mg
• C)Ca
• D)C
• E)Si

---

Definitions:

Melanin

A pigment that gives color to skin, hair, and eyes, and protects against UV radiation.

Vascularized

Having blood vessels; supplied with or containing blood vessels.

Orbicularis Oris

A circular muscle surrounding the mouth, involved in controlling movements of the mouth and lips.

Levator Palpebrae Superioris

A muscle in the eyelid responsible for raising the upper eyelid.