Use VSEPR Theory to Decide Which One of the Following

question 66

Multiple Choice

Use VSEPR theory to decide which one of the following molecules and ions will have a trigonal pyramidal geometry. (The central atom is always first in the formula.)

• A) PCl₃
• B) BF₃
• C) SO₃
• D) BrF₃
• E) CO₃^2-

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Definitions:

Perception of Pain

The subjective interpretation and experience of pain, which can be influenced by physical, emotional, and cognitive factors.

Descending Neural Pathway

Neural pathways that carry signals from the brain down the spinal cord to control movements or functions in the body.

Midbrain

An area of the brainstem that plays a role in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.

Medulla

The inner region of an organ or tissue, especially the medulla oblongata which is part of the brainstem controlling vital autonomic functions, such as heartbeat and breathing.