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1 Test Review Chapter 16 2 What is a crystal? What is a unit cell?

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Presentation on theme: "1 Test Review Chapter 16 2 What is a crystal? What is a unit cell?"— Presentation transcript:

1

2 1 Test Review Chapter 16

3 2 What is a crystal? What is a unit cell?

4 3 Chapter 16 How many crystal systems are there?

5 4 Chapter 16 Which of the crystal systems has axes that are all equal and at 90 o ?

6 5 Chapter 16 Which of the crystal systems has axes that are all unequal and at 90 o ?

7 6 Chapter 16 Which of the crystal systems has 2 axes that are equal and 1 that is unequal and at 90 o ?

8 7 Chapter 16 Which of the crystal systems has all axes that are equal and not at 90 o ?

9 8 Chapter 16 Which of the crystal systems has all axes that are unequal and all not 90 o ?

10 9 Chapter 16 Which of the crystal systems has all axes that are unequal and one that is not 90 o ?

11 10 Chapter 16 Which of the crystal systems has 3 axes that are equal and 1 unequal and one angle that is 90 o and 3 that are 60 o ?

12 11 Chapter 16 What is a space lattice? How many immediate neighbors does each particle have in a body centered cubic unit cell?

13 12 Chapter 16 How many immediate neighbors does each particle have in a face centered cubic unit cell?

14 13 Chapter 16 How many immediate neighbors does Cl - have in a unit cell of NaCl? How many immediate neighbors does Na + have in a unit cell of NaCl?

15 14 Chapter 16 What is the property that determines which unit cell a crystal will assume?

16 15 Chapter 16 What is the bonding force in an ionic crystal? What is the bonding force in a metallic crystal?

17 16 Chapter 16 What is the bonding force in a macromolecular crystal? What is the bonding force in a molecular crystal?

18 17 Chapter 16 What is the difference between isomorphous and polymorphous?

19 18 Chapter 16 Define hydrate. Define hygroscopic and deliquescent.

20 19 Chapter 16 What is a desiccant? Give an example of one.

21 20 Chapter 16 Define amorphous. What is viscosity?

22 21 Chapter 16 Describe the difference between diamonds and graphite in terms of their bonding.

23 22 Chapter 16 How can you distinguish a solid crystal from an amorphous material?

24 23 Chapter 16 Why is glass considered a super-cooled liquid? How can you change a hydrated ion to an anhydrous ion?

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