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MatS_3011_F10_Exam_1 - University of Minnesota Department...

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1 University of Minnesota Department of Chemical Engineering and Materials Science MatS 3011: Introduction to Materials Science and Engineering Fall Semester 2010 Exam #1 (October 6, 2010) Name _____________________________________ You have 50 minutes. This exam is closed book and closed notes. Please work alone and turn off all communication devices such as cell phones. Please give your answers in the space provided. Typically, the space provided should be more than enough. Do not feel obliged to fill the whole page with your answers. However, if you need additional space you may use the back of the page but if you do so please clearly indicate what problem the work belongs to. Good luck! 1) (15 pts) a) Which double charged positive ion (+2) has an electronic configuration of 1s 2 2s 2 2p 5 ? b) What is the electronic configuration of Mg? c) Which neutral atom has an electronic configuration of 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 ?
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2 2) (10 pts) Please give the Miller indices of the following two planes. If you move the origin please show the new location. Calculate the angle between these two planes.
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