QUESTION 3 a) Define a crystalline solid and amorphous solid. b) Determine how many atoms exist in a unit cell of hexagonal closed-packed. To coordinate c) Identify the type of point defect if: gruphile s diamond i) an ion displaced from a regular site to an interstitial site in ionic crystal. interstitial defect Crystal defect ii) a pair of one cation and one anion missing from regular sites in ionic crystal sto chiometric afect, scotchy fast!

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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QUESTION 3
a) Define a crystalline solid and amorphous solid.
b) Determine how many atoms exist in a unit cell of hexagonal closed-packed.
To coordinate
c) Identify the type of point defect if:
graphite diamond
i) an ion displaced from a regular site to an interstitial site in ionic crystal.
Crystal defect
interstitial defect
ii)
a pair of one cation and one anion missing from regular sites in ionic crystal,
sto chiometri defect
scotchy
frentel secotchy
sco.y
d) Sodium is a softer than magnesium based on the Sea Electron Model. Justify this
statement.
e) Graphite is a non-metal and can conduct electricity. Explain this phenomenon.
be it has free moving election that can conduc
electricity.
j by
R
scottcy
sottchy
Transcribed Image Text:QUESTION 3 a) Define a crystalline solid and amorphous solid. b) Determine how many atoms exist in a unit cell of hexagonal closed-packed. To coordinate c) Identify the type of point defect if: graphite diamond i) an ion displaced from a regular site to an interstitial site in ionic crystal. Crystal defect interstitial defect ii) a pair of one cation and one anion missing from regular sites in ionic crystal, sto chiometri defect scotchy frentel secotchy sco.y d) Sodium is a softer than magnesium based on the Sea Electron Model. Justify this statement. e) Graphite is a non-metal and can conduct electricity. Explain this phenomenon. be it has free moving election that can conduc electricity. j by R scottcy sottchy
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