The Molar Volume of a Certain Form of Solid Lead

question 21

Multiple Choice

The molar volume of a certain form of solid lead is 18 cm³/mol. Assuming cubic closest-packed structure, determine the following.
-The number of Pb atoms per unit cell

• A) 3
• B) 4
• C) 10
• D) 12
• E) 14

---

Definitions:

FIRO

A theory of interpersonal relations that explains how interpersonal relationships can be understood through three basic needs: inclusion, control, and affection.

Need For Inclusion

The inherent desire or drive within individuals to belong, be accepted, and feel a part of a group or community.

Social Anxiety

A form of anxiety that occurs in social situations, characterized by a fear of being negatively judged or evaluated by others.

Attachment Theory

A psychological theory that explores the importance of "attachment" in human development, particularly the bonds between children and their caregivers.