A Metal Crystallizes in a Face-Centered Cubic Lattice

question 44

Multiple Choice

A metal crystallizes in a face-centered cubic lattice.The radius of the atom is 125 pm and the density of the element is 8.91 g/cm³.What is the identity of the metal?

• A) Yb
• B) Cu
• C) Ca
• D) Sr
• E) Ni

---

Definitions:

Blinking

A rapid closing and opening of the eyelids, which serves as a protective mechanism for the eyes by helping to keep them moist and free from irritants.

Meat Powder

Often referenced in classical conditioning experiments, particularly those conducted by Ivan Pavlov, as a stimulus for eliciting salivation in dogs.

Salivation

The secretion of saliva, which can be stimulated by the sight, smell, or thought of food, aiding in digestion and oral hygiene.

UCS

Unconditioned Stimulus; in classical conditioning, it is a stimulus that naturally and automatically triggers a response without prior learning.