Lesson 7: Lewis Formulas, Drawing, Corrections, Etc.
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A) Watch the Video on Lewis Formula Drawing and answer the questions below:
Question 1: The most important test is to count the total valence based on ALL the atoms in the molecule. *
Question 2: The total valence in SO2 is *
B) Watch the video, follow the directions, then answer the post video questions.
Question 3: How many unshared pairs of electrons does the central atom in CHCl3 have? *
Question 4: How many unshared pairs of electrons does the central atom in SO3-2 have ? *
Question 5: How many unshared pairs of electrons does the central atom in NO3- have? *
Question 6: The total valence of PO3-3 is *
C) Watch the video, follow the directions, answer the post-video questions.
Question 7 Image
Question 7: The correct structure of OF2 is *
Question 8 Image
Question 8: The correct structure of SO3-2 is *
Question 9 Image
Question 9: The correct structure of SI2 is *
Question 10 Image
Question 10: The correct structure for XeO3 is *
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