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:

Dreams

A sequence of thoughts, images, and sensations occurring in a person's mind during sleep.

NREM Sleep

A phase of sleep characterized by non-rapid eye movement, consisting of stages 1-3, each deeper than the last, and associated with physical and mental restoration.

REM Sleep

A unique phase of sleep characterized by rapid eye movements, low muscle tone, and vivid dreams, playing a key role in emotional regulation and memory.

Vivid Dreams

Highly detailed, clear, and sometimes intensely emotional dreams that are remembered upon awakening.