Crystal Structure of Ceramics MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Crystal Structure of Ceramics”.

1. Which of the following bonds are present in ceramic structures?
a) Ionics bonds only
b) Covalent bonds only
c) Ionic, covalent and a mix of ionic and covalent bond
d) Mix of ionic and covalent bond only

2. What is the cation to anion ratio for a ceramic having coordination number 2?
a) <0.155
b) 0.155-0.225
c) 0.414-0.732
d) 0.732-1.0

3. Which of the following is false about ceramic structures?
a) They are made up of two or more different elements
b) More complex than metal structures
c) They are electrically neutral
d) Less complex than metal structures

4. What is the cation to anion ratio for a ceramic having coordination number 3?
a) <0.155
b) 0.155-0.225
c) 0.414-0.732
d) 0.732-1.0

5. What is the cation to anion ratio for a ceramic having coordination number 8?
a) <0.155
b) 0.155-0.225
c) 0.414-0.732
d) 0.732-1.0

6. The coordination number of fluorine in calcium fluoride is?
a) 8
b) 6
c) 2
d) 4

7. What is the cation to anion ratio for a ceramic having coordination number 6?
a) <0.155
b) 0.155-0.225
c) 0.414-0.732
d) 0.732-1.0

8. Which of the following compounds have a coordination number of 8?
a) Cesium chloride
b) Sodium chloride
c) Zinc blende
d) Calcium fluoride

9. The geometry of a material with coordination number 6 is a tetrahedron.
a) True
b) False

10. Cesium chloride has an FCC structure.
a) True
b) False

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