CEM 141 EXAM 3 MSU Answered Questions | Already Passed | 100 % Correct Answers
T/F: Covalent bonds are present only when atomic orbitals interact constructively. Ans: True. Binding in Diamond Ans: Each carbon forms 4 bonds to 4 identical carbons; tetrahedral; sp3 Valence Bond Theory Ans: The idea that covalent bonds are formed when orbitals of different atoms overlap. T/F: Electrons are localized in molecular orbital. Ans: False T/F: Electrons are localized in Valence Bond. Ans: True T/F: When the hybrid orbitals combine, there is a large gap between the bonding and anti bonding orbitals. Ans: True Bonding in Tetrahedral C results in..... Ans: Sigma bonds. Bonding in Graphite Ans: 3 sp2 orbitals; trigonal planar; sigma bond Is graphite localized ? Ans: Has a localized sigma bond network but has a delocalized pi network over the whole sheet of atoms. What does a larger electron cloud provide? Ans: Higher boiling point and more surface area to overcome LDF's. Can you rotate around a double bond
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