practiceexam22 - City College, Chemistry Department...

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City College, Chemistry Department Chemistry 10301, sections T, T2, Τ 3, Prof. T. Lazaridis Third Midterm exam, Dec. 3, 2009 Last Name: _____________________________________________ First Name: _____________________________________________ SSN l ast 4 : ______________________________________________ Note: There are 8 questions in this exam. Fill in your answer in the blank space provided immediately following each question. 1/2 point will be subtracted every time you report a numerical result with an incorrect number of significant figures. Useful data: Speed of light : 2.9979 X 10 8 m/s Planck's constant : 6.626 X 10 -34 Js E n = -2.179 X 10 -18 J/n 2 1. (15) (a) (3) What is the maximum number of electrons in the 2p subshell of an atom? 6 (b) (3) Give the complete set of quantum numbers for each of these electrons n l m l m s 2 1 -1 -1/2 2 1 -1 +1/2 2 1 0 -1/2 2 1 0 +1/2 2 1 +1 -1/2 2 1 +1 +1/2 (c) (3) Choose the largest atom among the following: Ge, As, Sn, Sb Sn (d) (3) Choose the most electronegative atom among the following: S, Se,
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practiceexam22 - City College, Chemistry Department...

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