Module 2 Unit 3 Assignment A

Module 2 Unit 3 Assignment A - the choice corresponding to...

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MODULE 2 UNIT 3 Assignment Part A 1. a. Explain how electronegativity changes when you move down a group (column) of the periodic table, from the top to the bottom. 2 marks - Electronegativity changes when you move down a group of a periodic table by decreasing as you get further down the group. b. Explain how electronegativity changes when you move across a period (row) of the periodic table, from left to right. 2 marks - Electronegativity changes when you move across a period of a periodic table by increasing as you move from left to right. 2. Calculate the difference in electronegativity between the atoms participating in covalent bonds for each of the following compounds. Then, select
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Unformatted text preview: the choice corresponding to the correct structural diagram, including the polarity of the bonds, for each compound. a) HBr Difference: 0.7 i. b) CH 4 Difference: 0.9 i. Note: The molecule of CH 4 and a few others dont follow the rule weve established to determine the order of atoms in the formula. According to our rule, hydrogen should appear first in the formula CH 4 . c) NF 3 Difference: 1.0 i) d) Ol 2 Difference: 1.0 i) 8 marks Total 12 marks Submission Instructions Submit your assignment using the drop box on the Assignment page for this unit....
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This note was uploaded on 05/26/2011 for the course SCIENCE 101 taught by Professor Smith during the Spring '11 term at Algonquin College.

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Module 2 Unit 3 Assignment A - the choice corresponding to...

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