Use VSEPR Theory to Decide Which One of the Following

question 21

Multiple Choice

Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90° bond angle in it. (In each case except water, the central atom is the first one in the formula.)

• A)AlCl ₄ ⁻
• B)NH ₃
• C)PCl ₅
• D)CO ₂
• E)H ₂O

---

Definitions:

Monotone Voice

A manner of speaking in which the pitch does not vary, often leading to a dull or unvaried delivery.

Attentive

Paying close attention or being careful about the tasks or people one is dealing with.

Note-Taking Systems

Methods or strategies used to record key information from lectures, books, or discussions for later review and study.

Sample Tests

Practice examinations designed to mimic the format and content of real tests, aiding in preparation and study.