Friday, December 16, 2011
AP Chem Molecular Geometries
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| AX3 - TRIGONAL PLANAR |
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| AX4 - TETRAHEDRAL |
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| AX4E - SEE SAW/SAW HORSE |
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| AX3E - TRIGONAL PYRAMIDAL |
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| AX2E2 - BENT/V-SHAPED |
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| AX2E - BENT/V-SHAPED |
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| AX5 - TRIGONAL BIPYRAMIDAL |
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| AX3E2 - T-SHAPED |
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| AX4E2 - SQUARE PLANAR |
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| AX2E3 - LINEAR |
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| AX6 - OCTAHEDRAL |
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| AX5E - SQUARE PYRAMIDAL |
AP Chem - Check out the above molecular geometries...keep watching until you are hypnotized, mesmerized by each shape, until you intuitively know each shape based on the VSEPR involved for each particular electron domain number.
We noted the extremely important placement of any and all lone pairs of electrons at the vertices of the EQUATORIAL triangle of the trigonal bipyramid for the 5 electron domain molecules/ions. This is the ONLY placement possible, and causes the see-saw shape for AX4E molecules/ions and the T-shape for the AX3E2 molecules/ions.
# posted by C @ 11:19 PM 
