Which of These Elements Has Two Valence Electrons

question 29

Multiple Choice

Which of these elements has two valence electrons?

• A) Mg
• B) Li
• C) Al
• D) S
• E) Cl

---

Definitions:

Pectoralis Major

A large chest muscle that contributes to arm flexion, rotation, and adduction.

Supraspinatus

A muscle located in the back of the shoulder that helps lift the arm away from the body.

Latissimus Dorsi

A large, flat muscle on the back that stretches to the sides, behind the arm, and is involved in the movement of the shoulder.

Biceps Brachii

A muscle in the upper arm that helps control the motion of the shoulder and elbow.