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. *

True

False

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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