C)Energy state D)orbital 27 is the maximum stress developed in a material during a tensile test. A) Off-set yield strength B) Fatigue strength Tensile strength Yield strength 28 is a homogeneous mixture of chemically distinct substances that forms a phase.The nents (substances)lose their individual identities. Solution D)Sol 29 The follo ing compounds are all unsaturated hydrocarbons except A) Acetylene D)Methane 30.Which is NOI the name of the recently discovered carbon structure that resembles a soccer ball? ons and neutrons are known as A D 32.The following statement of inert gases is right except A Inert gases are also called noble gases. B) Inert gases are mostly inactive C) Inert gases do not get involved in making compounds with other elements. D) Inert gases have their outer energy levels incompletely full of valence electrons. 33.What are(or is)not the conditions on which the substitutional solid solution form? A)The solute atoms and the solvent atoms are of similar size.Specifically,the size of their atoms do not differ by more than 15% B) The interstitial atoms are sufficiently small The electron configurations of the solute atoms and the solvent atoms are comparable 4 3 The solute atoms felastic modulus is NOT correcr2 .o lus is als wn as Young' e highe ic mod e we ratomic bonding forces stic mo constant c dulu ty in Hoo s can b in the region of the stress-strain diagram the atoms in cc unit A) B)6 C)8 D)12 PmF文件使用”pdfFactory Pr0°试用版熟健fineprint.com.cn第 5 页 C) Energy state D) orbital 27. ____________ is the maximum stress developed in a material during a tensile test. A) Off-set yield strength B) Fatigue strength C) Tensile strength D) Yield strength 28. ________ is a homogeneous mixture of chemically distinct substances that forms a phase. The components (substances) lose their individual identities. A) Alloy B) Solute C) Solution D) Solvent 29. The following compounds are all unsaturated hydrocarbons except________ A) Acetylene B) Alkenes C) Alkynes D) Methane 30. Which is NOT the name of the recently discovered carbon structure that resembles a soccer ball? A) Buckyball B) C-60 C) Fullerene D) Graphite 31. Protons and neutrons are known as _________ A) Electrons B) Neutrinos C) Nucleons D) Quarks 32. The following statement of inert gases is right except________ A) Inert gases are also called noble gases. B) Inert gases are mostly inactive. C) Inert gases do not get involved in making compounds with other elements. D) Inert gases have their outer energy levels incompletely full of valence electrons. 33. What are (or is) not the conditions on which the substitutional solid solution form? A) The solute atoms and the solvent atoms are of similar size. Specifically, the size of their atoms do not differ by more than 15% B) The interstitial atoms are sufficiently small C) The electron configurations of the solute atoms and the solvent atoms are comparable D) The solute atoms and the solvent atoms have a common crystalline structure 34. Which statement of elastic modulus is NOT correct? A) Elastic modulus is also known as Young’s modulus. B) The higher the magnitude of elastic modulus the weaker the interatomic bonding forces. C) Elastic modulus is the constant of proportionality in Hooke’s law. D) Elastic modulus can be measured graphically in the elastic region of the stress-strain diagram. 35. The coordination number for the atoms in the fcc unit cell is ____________. A) 2 B) 6 C) 8 D) 12 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn