课程名称︰普通化学甲上 课程性质︰必修 课程教师︰林万寅 开课学院：理学院 开课系所︰化工系 考试日期（年月日）︰2011/11/11 考试时限（分钟）：110 min 是否需发放奖励金：是,感谢:) （如未明确表示，则不予发放） 试题 : NOTE:procedures for all calculations must be given;physical contants: h=6.625*10^-34 Js c=3.00*10^8 m*s^-1 1 eV =1.60*10^-19 J 1.Answer the following questions for ICl3 (A)Give its systematic name. 2% (B)Draw its Lewis structure. 4% (C)Give the formal charges of each atom. 4% (D)Draw its molecular shape. 3% (E)Give the oxidation numbers of each atom. 2% 2.For the ground state Cu(I),answer the following questions.(Z=29 for Cu) (A)Write the electron configuration for Cu(I). 3% (B)Give the total number of electrons in Cu(I) that have n=3 3% (C)Give the total number of electrons in Cu(I) that have l=1 3% (D)Give the total number of electrons in Cu(I) that have ml=0 3% (E)Give the total number of electrons in Cu(I) that have ms=-1/2 3% 　　*(D)选项之ml的l与(E)选项ms之s为下标。 3.The photoelectron spectrum of Ne shows three peaks at kinetic energies of 360.0,1181.8,and 1208.6 eV,respectively.The photon energy used in this experiment is 1230.2 eV.Answer the following questions. (A)Describe the principle of photoelectron spectroscopy(PS). 4% (B)What are the two types of electronmagnetic radiation commonly used in PS? 4% (C)Calculate the ionization energy corresponding to each of the three peaks. 6% (D)What is the Koopmans's approximation? 3% (E)Estimate the effective nuclear charge (Zeff) for 2p electrons in Ne using εn= -(Zeff/n)^2 *Ry ,Ry=13.6 eV 4% *Zeff的eff与εn的n为下标。 (F)Use Slater's rule to estimate Zeff for 2p electrons in Ne. 4% 4.Write the chemical formula for the following compounds. 8% (A)cobalt(III)hypochlorite (B)calcium phosphate (C)tetraphosphorus decaoxide (D)hydrazine 5.The spectral series (n2 －> n1 ; n2-n1=1,2,3... ) for the emission of a certain single-electron ion (M^(Z-1)) is given below.The wavenumbers of the first (A) and the highest-energy (X) lines are also given.Knowing that the energy of M^(Z-1) is given by:En=-(Z/n)^2*2.18*10^-18 J.Answer the following questions. A 　 X Line Wavenumber/cm^-1 | | | | || …… | (谱线图) ------------------------- --------------------------------- A 47950 　　　　　cm^-1 X 109600 　　50000 → 100000 *n1的1与n2的2为下标;M^(Z-1)的Z-1为上标。 (A)Give an expression for the energy of line A in terms of Z and n1. 3% (B)Find the value of n1. 3% (C)What is the atomic number Z of the ion? 3% (D)Calculate the ionization energy for the ground-state M^(Z-1). 3% 6.Answer the following questions. (A)For a cubic particle-in-a-box with edge length L,give the possible states,denoted as (nx,ny,nz),with the energy 6h^2/(8m(L^2)).Also give the degeneracy and positions of nodes. 8% (B)Dalton's atomic theory contained five postulates.According to modern chemistry, four of those postulates require amendment or extension. List the modifications for the four postulates. 8% (C)Describe the meaning of the following: 6% (i)blackbody radiation (ii)photoelectric effect (D)Give the names of three laws contained in the law of chemical combination. 3% ＊考试可携带工程用计算机及电子辞典。 --

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