How Many Chloride Ions (Cl^1-)are Needed to Balance the Positive

question 24

Multiple Choice

How many chloride ions (Cl^1-) are needed to balance the positive charge of a barium ion (Ba²⁺) ?

• A)2
• B)1
• C)3
• D)0

---

Definitions:

Cognitive Psychologist

A psychologist who studies how we perceive, think, understand, and remember information.

Physiological Psychologist

A specialist who studies the biological basis of behavior, focusing on the brain's functions and structures and their impact on psychological processes.

Associative Learning

The process by which an individual learns the connection between two stimuli or between a behavior and a consequence.

Ivan Pavlov

A Russian physiologist known for his work in classical conditioning, primarily through experiments involving the conditioning of dogs.