If the Radius of an Atom Is R, What Is

question 37

Multiple Choice

If the radius of an atom is r, what is the length of the side of the face-centered cubic unit cell?

• A) 8^½r
• B) 2.25r
• C) 2r
• D) 4r/3^½
• E) r

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Definitions:

Landslide

The sudden and rapid movement of a large amount of earth material, such as rock and soil, downslope due to gravity.

Unconformity

A surface of erosion or non-deposition that separates younger strata from older rocks, indicating a gap in the geologic record.

Conglomerate

A conglomerate is a coarse-grained sedimentary rock composed of rounded fragments larger than 2 mm in diameter, embedded in a matrix of finer particles and cement.

Shale Layer

A shale layer is a sedimentary rock formation characterized by fine-grained clay particles, often found in various geological strata and known for being a source of oil and natural gas through hydraulic fracturing.