Element X Has Three Naturally Occurring Isotopes

question 40

Multiple Choice

Element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.

• A)41.54
• B)39.68
• C)39.07
• D)38.64
• E)33.33

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Definitions:

Relapse Prevention

A strategy in addiction treatment and behavior change that involves identifying and managing high-risk situations and triggers to prevent a return to undesired behaviors.

Transfer Obstacles

Challenges or barriers that prevent the effective application of new skills or knowledge from the learning environment to the workplace.

Coping Skills

Techniques or strategies that individuals use to manage stress, emotions, or challenging situations.

Positive Transfer Climate

An organizational or educational environment that supports and encourages the application of new skills and knowledge acquired through training to actual work or real-life situations.