MSE 2001 Final Exam Questions and Answers
C Polymer - ANS-1.1. Human skin is classified as a
a. Metal
b. Ceramic
c. Polymer
B Ceramic - ANS-1.2. Sand is classified as a
a) Metal
b) Ceramic
c) Polymer
A Property - ANS-1.3. Density is a:
a. Property b. Structure c. Microstructure d. None of the above
B The Maximum stress that a material can withstand before failure - ANS-1.4.
Strength is:
a. Is the ability of Materials to plastically deform
b. The Maximum stress that a material can withstand before failure
c. Same as Elasticity
B Resistance of materials to penetration - ANS-1.5 . Hardness is
a) Is the same as strength
b) Resistance of materials to penetration
c) Density
d) None of the above
A True - ANS-1.6. The bond-energy curve can be used to gain information about
Vaporization temperature?
a. True
b. False
D 10 - ANS-1.7. What is the maximum number of electrons 2(2l+1) in the d sub-
shell?
a)4
b)6
c)8
d)10
,C 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1 - ANS-1.8. The ground state electron
configuration of Ga (Z= 31) is __________.
a. 1s2 2s2 3s2 3p6 3d10 4s2 4p1
b. 1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p1
c. 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1
d. 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d1
e. [Ar]4s23d11
A 1s2 2s2 2p6 3s2 3p6 - ANS-1.9. The complete electron configuration of argon,
(Z=18), is __________.
a. 1s2 2s2 2p6 3s2 3p6
b. 1s2 2s2 2p10 3s2 3p6
c. 1s4 2s4 2p6 3s4
d. 1s4 2s4 2p10
e. 1s6 2s6 2p2 3s4
C [Ne] 3s2 3p2 - ANS-1.10. The condensed electron configuration of silicon,
(Z==14), is __________.
a. [He] 2s4 2p6
b. [Ne] 2p10
c. [Ne] 3s2 3p2
d. [He] 2s4
e. [He] 2s6 2p2
(He, Z=2); (Ne, Z=10);
B - ANS-1.11. Which materials (A or B) exhibits a higher elastic modulus?
A or B
**B has lower well that A on Energy graph**
A - ANS-1.12. Of the two materials (A or B) shown in the figure below which one
has a higher coefficient of thermal expansion?
A or B
**B has lower well that A on Energy graph**
B - ANS-1.13. Of the two materials (A or B),which one can withstand a higher
temperature?
A or B
**B has lower well that A on Energy graph**
, B - ANS-1.14. Which materials (A or B) exhibits a higher elastic modulus?
A or B
**B has lower well that A on Energy graph, steeper incline up**
C Young's Modulus - ANS-1.15. What is E in the following formula? F/Δx=aE?
a) energy
b) Young's Modulus
c) concentration
B False - ANS-1.16. The steeper the slope of the force curve (at equilibrium
distance), the lower
the value of E?
a. true
b. false
B Ionic radii - ANS-1.17. Coordination number (in general) is determined by what
ratio?
a. Electronegativity
b. ionic radii
c. neither
B Transferred - ANS-1.18. The ionic bonding electrons are
a) shared
b) transferred
c) neither
A Shared - ANS-1.19. The covalent bonding electrons are
a) shared
b) transferred
c) neither
d) both
A Directional - ANS-1.20. Covalent bonding is:
a. Directional
b. Non-directional
A Shared - ANS-1.21. The metallic bonding electrons are
a. shared
C Polymer - ANS-1.1. Human skin is classified as a
a. Metal
b. Ceramic
c. Polymer
B Ceramic - ANS-1.2. Sand is classified as a
a) Metal
b) Ceramic
c) Polymer
A Property - ANS-1.3. Density is a:
a. Property b. Structure c. Microstructure d. None of the above
B The Maximum stress that a material can withstand before failure - ANS-1.4.
Strength is:
a. Is the ability of Materials to plastically deform
b. The Maximum stress that a material can withstand before failure
c. Same as Elasticity
B Resistance of materials to penetration - ANS-1.5 . Hardness is
a) Is the same as strength
b) Resistance of materials to penetration
c) Density
d) None of the above
A True - ANS-1.6. The bond-energy curve can be used to gain information about
Vaporization temperature?
a. True
b. False
D 10 - ANS-1.7. What is the maximum number of electrons 2(2l+1) in the d sub-
shell?
a)4
b)6
c)8
d)10
,C 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1 - ANS-1.8. The ground state electron
configuration of Ga (Z= 31) is __________.
a. 1s2 2s2 3s2 3p6 3d10 4s2 4p1
b. 1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p1
c. 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1
d. 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d1
e. [Ar]4s23d11
A 1s2 2s2 2p6 3s2 3p6 - ANS-1.9. The complete electron configuration of argon,
(Z=18), is __________.
a. 1s2 2s2 2p6 3s2 3p6
b. 1s2 2s2 2p10 3s2 3p6
c. 1s4 2s4 2p6 3s4
d. 1s4 2s4 2p10
e. 1s6 2s6 2p2 3s4
C [Ne] 3s2 3p2 - ANS-1.10. The condensed electron configuration of silicon,
(Z==14), is __________.
a. [He] 2s4 2p6
b. [Ne] 2p10
c. [Ne] 3s2 3p2
d. [He] 2s4
e. [He] 2s6 2p2
(He, Z=2); (Ne, Z=10);
B - ANS-1.11. Which materials (A or B) exhibits a higher elastic modulus?
A or B
**B has lower well that A on Energy graph**
A - ANS-1.12. Of the two materials (A or B) shown in the figure below which one
has a higher coefficient of thermal expansion?
A or B
**B has lower well that A on Energy graph**
B - ANS-1.13. Of the two materials (A or B),which one can withstand a higher
temperature?
A or B
**B has lower well that A on Energy graph**
, B - ANS-1.14. Which materials (A or B) exhibits a higher elastic modulus?
A or B
**B has lower well that A on Energy graph, steeper incline up**
C Young's Modulus - ANS-1.15. What is E in the following formula? F/Δx=aE?
a) energy
b) Young's Modulus
c) concentration
B False - ANS-1.16. The steeper the slope of the force curve (at equilibrium
distance), the lower
the value of E?
a. true
b. false
B Ionic radii - ANS-1.17. Coordination number (in general) is determined by what
ratio?
a. Electronegativity
b. ionic radii
c. neither
B Transferred - ANS-1.18. The ionic bonding electrons are
a) shared
b) transferred
c) neither
A Shared - ANS-1.19. The covalent bonding electrons are
a) shared
b) transferred
c) neither
d) both
A Directional - ANS-1.20. Covalent bonding is:
a. Directional
b. Non-directional
A Shared - ANS-1.21. The metallic bonding electrons are
a. shared
