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  1. LEWIS STRUCTURES PRACTICE WORKSHEET. Draw the Lewis Structures for each of the following molecules. If you are not sure if your structure is correct, do a formal charge check. You should consult the Lewis structure rules and a periodic table while doing this exercise.

  2. Practice Problems 2. Draw the Lewis dot structures for each of the following molecules: a. H 2 S c. SO 3 b. CH 2 Br 2 d. HCN 3. Draw the Lewis dot structure for each of the following polyatomic ions: a. NH 4 + c. PO 4 –3 b. NO 3 – d. CO 3 2– 4. For the following molecules or ions (where the central atom is underlined): i. Draw the ...

  3. Write the chemical equations for these combustion reactions using Lewis structures instead of chemical formulas. Answer

  4. Draw the lewis structure for the following molecules. Then name their electron arrangement, shape, and bond angles. Determine if the molecule is polar or nonpolar. a. NF3. b. COCl2. c. CS2. d. BF3. e. SO2. f. − SCN. g. CO2−. 3. h. NO− 3.

  5. Lewis Structures Practice Problems. In these practice problems, we will work on determining the Lewis structures of molecules and ions. In short, remember these steps for determining the Lewis structure: 1. Write the correct skeletal structure for the molecule.

  6. Lewis Dot Structure Mega Worksheet. 1) What is the octet rule? Explain its role in bonding between atoms. 2) Indicate how many electrons must be gained or lost by each of the following atoms to achieve a stable electron configuration, e.g. 3 lost, 2 gained, etc.? a) Sr b) Sb c) Si d) S e) Se f) Xe. llowing pairs of elem.

  7. 1. The atomic number of boron is 5. The correct electronic configuration of boron is: A. 1s22s3 B. 1s22p3 C. 1s22s22p1 D. 2s22p3 E. 1s22s23s1. 2. How many distinct p orbitals exist in the second electron shell, where n = 2? 3. An oxygen atom has __________ valence electrons. 4. Draw a correct Lewis structure for boric acid, B(OH)3. 5.

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