课程名称︰普通化学丙 课程性质︰必修 课程教师︰林泱蔚 开课学院：理 开课系所︰化学 考试日期（年月日）︰2009/3/27 考试时限（分钟）：110 min 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 一、名词解释(可配合简易的图示加以表示) 1.α particle and β particle 2.accuracy and precision 3.ioniztion energy, electron affinity and electronegativity 4.ionic bond, covalent bond and polar covalent bond 5.Heisenberg uncertainty principle 6.Pauli exclusion principle and hund's rule 7.Valence shell electron pair repulsion model 8.octet rule 9.dipole moment 10shielding eggect 二、填充 1.according to the VSEPR theory A. the shape of the SF4 molecule is__________ B. (CO3)2- is___________ 2.inducate the type of the orbital used by the central atom in PCl3 and NO3- 3.the number of pi bonds in the oxalate is___ 4.consider the species N2- N2 N2+ which of these species will be paramagnetic 5.which of these compounds is most likely to be ionic____or covalent____ A.KF B.SrBr2 C.NF3 D,SF4 E.CS2 F.BaCl2 6.which of these ionic solid would have the largest lattice energy a.NaCl b.NaF c.CaBr2 d.CsI e.CaCl2 7.write the lewis structure for a.methyl chloride b.ClO4- 8.the total number of lone pairs in NCl3 is ____ 9.the total number of bonding electron in formaldehyde is____ 10.which response includes all the mokecules below that do nit follow the octet rule___ a.H2S b.BCl3 c.PH3 d.SF4 11BeF4- is called the tetrafluoroberyllate ion. the formal charge on the beryllium atom in this ion is____ --

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