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Unformatted text preview: 1: How many different resonance structures can you draw for SO 2 ? A: 2 B: 5 C: 4 D: 3 E: 1 2: A second-row sp 3 hybridized atom has a valence shell consisting of: A: 4 sp 3 orbitals B: 3 sp 2 orbitals C: 2 sp orbitals D: 2 sp 2 orbitals E: 2 sp 2 orbitals and 2 p orbitals 3: According to the kinetic-molecular theory of gasses, which one of these is a property of a gas? A: the kinetic energy of the molecules is proportional to the temperature B: the molecules remain in fixed positions with respect to one another C: the molecules are usually stationary D: the pressure of a gas is caused by gas molecules sticking to a surfece E: the molecules are closely spaced 4: Which one of these molecules is nonpolar? A: BF 3 B: HCl C: PBr 3 D: SO 2 E: CO 5: Which of the following molecules do you expect to have the lowest boiling point? A: CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 B: CH 3 CH 2 CH 2 CH 2 CH 3 C: (CH 3 ) 3 CC(CH 3 ) 3 D: (CH 3 ) 2 CH C H 2 CH 3 E: C(CH 3 ) 4 1 6: Which of the following affects evaporation rate? A: Strength of the covalent bonds in the liquid molecules B: Volume of the liquid C: Strength of the covalent bonds in the vapor D: Mass of the liquid E: Surface Area of the liquid 7: All of the following are examples of the five basic geometries for molecules...
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