A Metal Crystallizes in a Face-Centered Cubic Lattice

question 108

Multiple Choice

A metal crystallizes in a face-centered cubic lattice.The radius of the atom is 128 pm and the density of the element is 8.92 g/cm³.What is the identity of the metal?

• A)Ca
• B)Sr
• C)Ni
• D)Yb
• E)Cu

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Definitions:

Orexin

A type of neuropeptide that plays an important role in regulating arousal, wakefulness, and appetite.

Set Point

A theory suggesting that individuals have a pre-set, natural body weight or condition that the body regulates and tends to maintain.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, carrying out household chores, traveling, and engaging in recreational pursuits.

Stable Body Weight

A condition where an individual's body weight remains relatively constant over time, indicating a balance between calorie intake and energy expenditure.