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CHM136H1 (147)
Lecture

Tutorial 1 Continued.pdf

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Department
Chemistry
Course
CHM136H1
Professor
C.Scott Browning
Semester
Winter

Description
Tutorial 1 ContinuedJuly06121000 AM111 Describing Chemical Bonds Molecular Orbital MO TheoryMO theory describes covalent bond formation as arising from a mathematical combination of atomic orbitals wave functions on different atoms toform molecular orbitals so called because they belong to the entire molecule rather than the individual atomA molecular orbital describes the region in a molecule where electrons are most likely to be foundA MO has a specific size shape and energyEXAMPLEIs it possible to have B2Paramagneticunpaired electrons weakly attracted to a magnetic fieldDiamagneticpaired electrons even more weakly repelled from a magnetic fieldBond Order12 es in bonding MOes in antibonding MOIn molecules with more than aand the bond order for the nonvalence es is01s1sBO12 6 4 1A molecule is more stable than 2 atoms if the bond order i
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