泰山医学院材料导论题库.doc
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泰山医学院《材料导论》试题库
1、The nucleus of an atom contains
A Protons
B Electrons
C Neutrons
D All of the above
v E Both A and C
2、What type(s) of electron subshell(s) does an L shell contain?
A a p f s
B s and f
v C s and p
3、What is the maximum number of electrons that an M shell may contain?
v A.18
B.32
C.8
4、Match the electron structure below with the element type it represents.
1s22s22p63s23p63d104s1
A. Inert gas
B. Halogen
C. Alkali metal
D. Alkaline earth metal
v E. Transition metal
5、What is the predominant type of bonding for titanium (Ti)?
A. Ionic
B. Hydrogen
C. Covalent
D. van der Waals
v E. Metallic
6、Of those elements in the list situated below the periodic table, select the one that is one electron short of having its outer shell of electrons completely filled.
v A. I
B. N
C. S
D. Sr
E. Ar
7、Which of the following materials may form crystalline solids?
A. Polymers
B. Metals
C. Ceramics
v D. All of the above
8、Which of the following are the most common coordination numbers for ceramic materials?
A. 2
B. 3 and 6
C. 4 and 12
v D. 4, 6 and 8
9、Which crystal system(s) listed below has (have) the following relationship for the unit cell edge lengths?
a = b ≠ c
A. Cubic
B. Hexagonal
C. Triclinic
D. Monoclinic
E. Rhombohedral
F. Orthorhombic
G. Tetragonal
v H. Both C and E
10、Which crystal system(s) listed below has (have) the following interaxial angle relationship? α = β = γ = 90°
v A. Cubic
B. Hexagonal
C. Triclinic
D. Monoclinic
E. Rhombohedral
F. Orthorhombic
G. Both A and D
11、把a、b、c、d四块金属片浸入稀硫酸中,用
导线两两相连组成原电池。若a、b相连时,a为负极;c、d相连时,电流由d到c;a、c相连时,c极上产生大量气泡,b、d相连时,b上有大量气 泡产生,则四种金属的活动性顺序由强到弱的为:( )
A.a b c d
v B.a c d b
C.c a b . d
12、A normalizing heat treatment is terminated by cooling in
A. air (outside a furnace)
v B. a furnace
C. water
D. oil
13、Which of the following influences the hardenability of
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