Nickel Has a Face-Centered Cubic Cell,and Its Density Is 8

question 50

Multiple Choice

Nickel has a face-centered cubic cell,and its density is 8.90 g/cm³.What is the radius (in pm) of a nickel atom? (The molar mass of nickel is 58.69 g/mol)

• A) 62.3 pm
• B) 88.1 pm
• C) 125 pm
• D) 249 pm
• E) 535 pm

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Definitions:

Classical Conditioning

A technique in learning where two stimuli are regularly brought together; a reaction, at the beginning caused by the second stimulus, is in the end caused by the first stimulus alone.

Applied Behavior Analysis

A therapy based on the science of learning and behavior, focusing on improving specific behaviors and understanding the influence of the environment on behavior.

Immediate Reinforcements

Immediate rewards or punishments following a behavior, which increase or decrease the likelihood of that behavior being repeated.

Behavior Modification

The use of empirically demonstrated techniques to improve behavior, often by altering an individual's response to environmental stimuli.