泰山医学院材料导论题库.docVIP

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