How Many of the Following Molecules Are Polar

question 21

Multiple Choice

How many of the following molecules are polar?
HF CH₄ PH₃ OF₂

• A) none
• B) 1
• C) 2
• D) 3
• E) all

---

Definitions:

Physical Therapist

A healthcare professional who specializes in the treatment of individuals of all ages who have medical conditions, illnesses, or injuries that limit their abilities to move and perform functional activities in their daily lives.

Care Plans

Customized documents that outline the patient's current health care needs and proposed treatments.

Muscle Weakness

A reduction in the strength of one or more muscles, which can affect physical performance and daily activities.

Referral

The process of directing or sending a patient to another healthcare professional or specialist for additional examination, diagnosis, or treatment.