Using the VSEPR Model, the Molecular Geometry of the Central

question 90

Multiple Choice

Using the VSEPR model, the molecular geometry of the central atom in CF₄ is __________.

• A)linear
• B)trigonal planar
• C)tetrahedral
• D)bent
• E)trigonal pyramidal

---

Definitions:

Vasoocclusive Crisis

A painful episode commonly seen in sickle cell anemia, where blood circulation is obstructed by sickled red blood cells, causing tissue ischemia and pain.

Painful Swelling

An enlargement of a body part accompanied by discomfort or pain, often due to inflammation or injury.

Meperidine (Demerol)

A synthetic opioid analgesic drug used to treat moderate-to-severe pain, known for its potential for addiction and side effects.

Sickle Cell Crisis

A painful episode that occurs in people with sickle cell disease when sickle-shaped red blood cells obstruct blood flow to tissues, leading to pain and potential organ damage.