What Is the Mass Number of an Atom of Argon

question 26

Multiple Choice

What is the mass number of an atom of argon with 22 neutrons?

• A) 2
• B) 18
• C) 22
• D) 40
• E) 44

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Definitions:

Domain Specific

Relating to knowledge or skills that are limited to a particular area, subject, or field.

Facial Features

The distinct parts of the face such as eyes, nose, mouth, which contribute to individual appearance.

Negative Reinforcement

A learning process in behavioral psychology where the removal or avoidance of an unpleasant stimulus strengthens the behavior that avoids or removes the stimulus.

Cognitive

Related to the process of knowing, including aspects such as awareness, perception, reasoning, and judgment.