Bonding - 6 Complete the following statement In valence...

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Chemical Bonding and intermolecular forces. All answer to the question should be typed. Note: How you answer the question what is a chemical bond, depends on the bonding model. 1) What is a covalent bond according to Lewis theory? Two atoms attract each other (create a covalent bond) by sharing a pair of electrons. 2) What is a covalent bond according to valence bond theory? According to this theory a covalent bond is formed between the two atoms by the overlap of half-filled valence atomic orbitals of each atom containing one unpaired electron 3) Why are the two answers different? 4) Why is molecular geometry important? Give few examples. 5) Explain the difference between electron geometry and molecular geometry. Explain the circumstances under which they will not be the same.
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Unformatted text preview: 6) Complete the following statement. In valence bond theory the interaction energy between the electron and nucleus in one atom with the electron and nucleus in another atom is negative ( stabilizing) when_______________. 7) What is hybridization? Why is hybridization necessary in valence bond theory? 8) In Lewis theory , the two bonds in a double bond look identical. However valence bond theory shows that they are not. Describe a double bond according to valence bond theory , and explain why rotation is restricted around a double bond, but not about a single bond. 9) Give the hybridization scheme that correspond to each of the following electron geometries: linear, trigonal planar, tetrahedral, trigonal bypiramidal, octahedral....
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Bonding - 6 Complete the following statement In valence...

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