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Molecular Geometries of Covalent Molecules: Lewis Structures and the VSEPR Model 11 Pre-lab Questions Before beginning this experiment in the laboratory, you should be able to answer the following questions. 1. Distinguish among ionic, covalent, and metallic bonding. 2. Which of the following molecules possess polar covalent bonds: H2, N2, HCl, HCN, and CO2? 3. Which of the molecules in question 2 have molecular dipole moments? 4. What are the favored geometrical arrangements for ABn molecules for which the A atom has 2, 3, 4, 5, and 6 pairs of electrons in its valence shell? 5. How many equivalent orbitals are involved in each of the following sets of hybrid orbitals: sp, sp2, sp3d, and sp3d2? 6. Define the term formal charge. 7. Calculate the formal charges of all of the atoms in O2, SO2, and SO3.

          Molecular Geometries of Covalent Molecules: Lewis Structures and the VSEPR Model
11 Pre-lab Questions
Before beginning this experiment in the laboratory, you should be able to answer the following questions.
1. Distinguish among ionic, covalent, and metallic bonding.
2. Which of the following molecules possess polar covalent bonds: H2, N2, HCl, HCN, and CO2?
3. Which of the molecules in question 2 have molecular dipole moments?
4. What are the favored geometrical arrangements for ABn molecules for which the A atom has 2, 3, 4, 5, and 6 pairs of electrons in its valence shell?
5. How many equivalent orbitals are involved in each of the following sets of hybrid orbitals: sp, sp2, sp3d, and sp3d2?
6. Define the term formal charge.
7. Calculate the formal charges of all of the atoms in O2, SO2, and SO3.

Molecular Geometries of Covalent Molecules: Lewis Structures and the VSEPR Model
11 Pre-lab Questions
Before beginning this experiment in the laboratory, you should be able to answer the following questions.
1. Distinguish among ionic, covalent, and metallic bonding.
2. Which of the following molecules possess polar covalent bonds: H2, N2, HCl, HCN, and CO2?
3. Which of the molecules in question 2 have molecular dipole moments?
4. What are the favored geometrical arrangements for ABn molecules for which the A atom has 2, 3, 4, 5, and 6 pairs of electrons in its valence shell?
5. How many equivalent orbitals are involved in each of the following sets of hybrid orbitals: sp, sp2, sp3d, and sp3d2?
6. Define the term formal charge.
7. Calculate the formal charges of all of the atoms in O2, SO2, and SO3.

Added by Ronald O.

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