Exam 12: Solids: Crystals, Alloys, and Polymers

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Which of the following is true regarding the attractive force that holds sodium chloride in the solid state? I.It is electrostatic. II.It is termed ionic bonding. III.It depends on the distance between the sodium and chloride. IV.It only operates between adjacent sodium and chloride ions.

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The cubic closest-packed crystal structure has a ________ layering pattern that produces a ________ unit cell.

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Quartz, a form of SiO2, which contains an ordered array of neutral, covalently bonded nonmetal units, is an example of ________

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What type of crystal structure can produce an ababab layering pattern?

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Platinum (Pt) has a face-centered cubic structure with an edge length of 135 pm. What is the calculated value of the density of platinum based on this information?

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In the cesium chloride unit cell shown below, the cesium ions sit on the corners of a cube. What is the name of this unit cell? In the cesium chloride unit cell shown below, the cesium ions sit on the corners of a cube. What is the name of this unit cell?

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Polonium crystallizes in a simple cubic pattern. How many polonium atoms are in each unit cell?

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The center of a cubic hole is found ________

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Which is not true about a crystallographic unit cell?

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Draw a few subunits of the addition polymer derived from vinyl alcohol, CH2 Draw a few subunits of the addition polymer derived from vinyl alcohol, CH<sub>2</sub>   CHOH. CHOH.

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