Which One of the Following Statements About Unit Cells and Packing

question 58

Multiple Choice

Which one of the following statements about unit cells and packing in solids is incorrect?

• A)In any unit cell of a solid crystal, each face of the cell must have an opposite face which is equal and parallel to it.
• B)The faces of a unit cell must all be at angles of 90° to each other.
• C)The coordination number of atoms in a close packed metal is 12.
• D)The packing efficiency in fcc structures is higher than in bcc structures.
• E)The packing efficiency in fcc and hcp structures is the same.

Explain the phenomenon of learned helplessness and its psychological impact.

Understand the concepts of operant learning principles, reinforcement, and punishment.

Evaluate the effectiveness of the current prison system with regard to behavioral psychology principles.

Suggest alternative approaches to punishment and rehabilitation in the prison system.

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Definitions:

Psychological Functioning

Concerns the mental processes and behaviors that encompass emotional, cognitive, and social aspects of an individual's well-being.

Mental Health Professionals

Licensed practitioners trained to diagnose and treat mental health conditions, such as psychologists, psychiatrists, or licensed clinical social workers.

Genogram

A graphic representation of a family tree that displays detailed data on relationships among individuals.

Codependence

A psychological condition or relationship dynamic where one person enables another's addiction, poor mental health, immaturity, irresponsibility, or under-achievement.