Exam3 - City College, Chemistry Department Chemistry 10301,...

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City College, Chemistry Department Chemistry 10301, sections E* , Prof. T. Lazaridis Third Midterm exam, Nov. 24, 2010 Last Name: _____________________________________________ First Name: _____________________________________________ SSN l ast 4 : ______________________________________________ Note: There are 7 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 1 amu = 1.66 x 10 -24 g E n = -2.179 X 10 -18 J/n 2 1. (18) (a) (8) Write next to the following sets of quantum numbers whether they are permissible or not (yes or no). i) n=2 l=1 m l =1 YES ii) n=1 l=0 m l =-1 NO iii) n= 4 l=2 m l =-2 YES iv) n=3 l=3 m l =0 NO (b) (6) What is the maximal number of electrons in an atom that can have the following quantum numbers i) n=4 l=3 m
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Exam3 - City College, Chemistry Department Chemistry 10301,...

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