How Many Valence Electrons Are Needed to Construct the Lewis

question 178

Multiple Choice

How many valence electrons are needed to construct the Lewis dot structure of the BCl₃ molecule?

• A)11
• B)21
• C)24
• D)32

---

Definitions:

External Urethral Sphincter

A circular muscle that controls urination by constricting or relaxing to allow the flow of urine from the bladder.

Pubococcygeus

A muscle of the pelvic floor that supports the pelvic organs and is involved in urinary control and sexual function.

Occipital Bone

A bone at the lower back part of the skull, contributing to the cranial cavity's posterior wall and base.

Spinalis Cervicis

The spinalis cervicis is a muscle in the back of the neck that is part of the erector spinae muscle group, aiding in extending the cervical spine (neck).