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Unformatted text preview: http://mapletamef.math.uwaterloo.ca:8081/mapleta/modules/unproctoredTest.Print Online Homework System Assignment Worksheet 9/25/08  10:21 PM Name: ____________________________ Class: CHEM 212 DE, Fall 2008 Class #: ____________________________ Section #: ____________________________ Instructor: Carey Bissonnette Assignment: Online Assgt. 2 (Module 2) Question 1: (4 points) Fill in the blanks: Draw the Lewis structure for PCl 3 and then answer the questions below. (Note: If an atom is underlined, then that atom is the central atom. All other atoms are bonded directly to it.) ● What is the order of the principal axis? ____ (Enter an integer, or "inf" for infinity.) ● How many horizontal mirror planes are there? ____ (Enter an integer, or "inf" for infinity.) ● What is the total number of vertical/dihedral mirror planes? ____ (Enter an integer, or "inf" for infinity.) ● How many C 2 axes are there? ____ (Enter an integer, or "inf" for infinity.) Question 2: (4 points) Fill in the blanks: Draw the Lewis structure for SF 3 and then answer the questions below. (Note: If an atom is underlined, then that atom is the central atom. All other atoms are bonded directly to it.) ● What is the order of the principal axis? ____ (Enter an integer, or "inf" for infinity.) ● How many horizontal mirror planes are there? ____ (Enter an integer, or "inf" for infinity.) ● What is the total number of vertical/dihedral mirror planes? ____ (Enter an integer, or "inf" for infinity.) ● How many C 2 axes are there? ____ (Enter an integer, or "inf" for infinity.) http://mapletamef.math.uwaterloo.ca:8081/mapleta/modules/unproctoredTest.Print (1 of 8) [25/09/2008 10:22:27 PM] http://mapletamef.math.uwaterloo.ca:8081/mapleta/modules/unproctoredTest.Print Question 3: (1 point) Fill in the blanks: Draw the Lewis structure for N 3 and then answer the questions below. (Note: If an atom is underlined, then that atom is the and then answer the questions below....
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 Spring '09
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 Organic chemistry, Inorganic Chemistry, Atom, Lower case, Capital letter

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