The Zincblende Structure of ZnS Has the Relatively Large Sulfide

question 19

Multiple Choice

The zincblende structure of ZnS has the relatively large sulfide ions arranged at the lattice points of a face-centered cubic structure. The edge length of this cubic unit cell is 540.9 pm.Determine the density of zincblende.

• A)3.081 g/cm³
• B)1.023 g/cm³
• C)4.091 g/cm³
• D)2.046 g/cm³
• E)2.032 g/cm³

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Definitions:

Mechanical Function

The role or operation of a structure or system based on the principles of mechanics, often referring to how physical forces influence biological processes or man-made devices.

Sexual Selection

A form of natural selection where individuals select mates based on heritable traits, such as size, strength, or coloration, that are indicative of reproductive success.

The Descent of Man

A book by Charles Darwin that discusses human evolution and sexual selection, published in 1871.

The Origin of Species

A seminal book by Charles Darwin published in 1859, formally introducing the scientific theory of evolution by natural selection.