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4200LQ2T_Key_F10

# 4200LQ2T_Key_F10 - GLY 4200C Name KEY Laboratory Quiz 2...

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GLY 4200C Name KEY Laboratory Quiz 2 - Closed Book October19, 2010 8 points 8 Students took quiz - Numbers in red are incorrect responses 1. What is the coordination number of a cation in each of the following configurations? (5 points total) Configuration CN 3 Cubic VIII Roman Numerals? 1 Octahedral VI 1 0 Square Planar IV 1 Linear II 2. What do each of the symbols mean? (1 point each) 0 I Inversion Center 0 A 3 Three-fold rotation axis 4 3. If an object has one six-fold axis, six two-fold axes, and an inversion center, how many mirror planes does it have? Seven (1 point)

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GLY 4200C Name Laboratory Quiz 2 - October 19, 2010 May Use Crystal Class Sheet 32 points 1. Examine each model. Determine all of the symmetry elements present. List the number of each type of element in the table below. For the inversion center, indicate YES (it is present) or NO (it is not present). Then indicate the crystal class to which the object belongs. You will receive one-half point for each symmetry element correctly listed (number and type). One-half point will be subtracted for
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