CH 101 notes 9-24

CH 101 notes 9-24 - Molecular Shapes 2 electron regions...

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Molecular Shapes Molecular Shapes O C O Section 6.1 + + + Angle: 180 o 2 electron regions about a central atom + + + Shape: Linear 2 atoms about a central atom Molecular Shapes Molecular Shapes F C O H Angle: 120 o 3 electron regions about a central atom + Section 6.1 Shape: Trigonal planar 3 atoms about a central atom Molecular Shapes H C H H H Angle: 109 o 4 electron regions about a central atom Section 6.1 Shape: tetrahedral 4 atoms about a central atom In the plane Going behind Coming out toward you (coming out of the plane) Drawing 3D Drawing 3D Tetrahendral Tetrahendral Geometries Geometries on 2D Paper on 2D Paper Section 6.1 Molecular Shapes Cl N O Section 6.1 Shape: Bent 2 atoms about a central atom 3 electron regions about a central atom Angle: <120 o Molecular Shapes Molecular Shapes H O H Section 6.1 2 atoms about a central atom Shape: Bent 4 electron regions about a central atom Angle: <109 o
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Molecular Shapes Molecular Shapes H N H H Section 6.1 + 3 atoms about a central atom Shape: Trigonal Pyramidal 4 electron regions about a central atom Angle: <109 o Shape: Trigonal pyramidal Shape: Trigonal planar Angle: 120 o Angle: <109 o Section 6.1 OCO O C OO OH H Cl C Cl Cl Cl P F F F Give the indicated angle: A B C D E Section 6.1 HSH O C CN H Cl C Cl Cl Cl P F F F Identify the shape of each molecule/ion.
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CH 101 notes 9-24 - Molecular Shapes 2 electron regions...

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