structures) for the following molecules and molecular ions. Calculate the total number of valence electrons for each molecule/ molecular ion. RECALL the guidelines for drawing a Lewis structure ( Step 1: Count the total valence electrons (add or subtract electrons as necessary for negative/ positive charges Step 2: Connect atoms to draw the skeleton of the molecule Step 3: Assign electrons to the terminal atoms and fulfill the octets of terminal atoms (a duet for hydrogen) Step 4: Assign any remaining electrons to the central atom Step 5: Draw multiple bonds when necessary if the central atom does not yet have an octet a) example OF 2 b) CH₂Cl₂ c) BiH3 d) COF₂ Number of total valence electrons: (show work for calculation) O has 6 valence electrons Each F has 7 valence electrons Total = (1 x 6) + (2 x 7) = 20 valence electrons Number of total valence electrons: (show work for calculation) Number of total valence electrons: (show work for calculation) Number of total valence Lewis structure: F-0-F OF:0:F Lewis structure: Lewis structure: Lewis structure:

structures) for the following molecules and molecular ions. Calculate the total number of valence electrons for each molecule/ molecular ion. RECALL the guidelines for drawing a Lewis structure ( Step 1: Count the total valence electrons (add or subtract electrons as necessary for negative/ positive charges Step 2: Connect atoms to draw the skeleton of the molecule Step 3: Assign electrons to the terminal atoms and fulfill the octets of terminal atoms (a duet for hydrogen) Step 4: Assign any remaining electrons to the central atom Step 5: Draw multiple bonds when necessary if the central atom does not yet have an octet a) example OF 2 b) CH₂Cl₂ c) BiH3 d) COF₂ Number of total valence electrons: (show work for calculation) O has 6 valence electrons Each F has 7 valence electrons Total = (1 x 6) + (2 x 7) = 20 valence electrons Number of total valence electrons: (show work for calculation) Number of total valence electrons: (show work for calculation) Number of total valence Lewis structure: F-0-F OF:0:F Lewis structure: Lewis structure: Lewis structure:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. Differentiate the following terms. Accuracy Precision 2. What are the advantages of using the analytical balance in analytic chemistry? Enumerate at least two then explain each. 3. What are the factors affecting the discrepancies in accuracy and precision? Enumerate at least four then explain each.
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Real life applications of standardization of NaOH.
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