Molecular Geometry
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卡片预览 (12 张)
determine molecular geometry: basic steps
determine the steric number determine the geometry based on the number of bonds and lone pairs
steric number
the number of “electron dense areas” around a central atom lone pairs or bonds (whether single, double, or triple)
molecular geometry: steric # 2, no lone pairs
linear 180° bond angle
molecular geometry: steric # 3, no lone pairs
trigonal planar 120° bond angle
molecular geometry: steric # 3, 1 lone pair
bent <180° bond angle
molecular geometry: steric # 4, no lone pairs
tetrahedral 109.5° bond angle
molecular geometry: steric # 4, 1 lone pair
trigonal pyramidal 109.5° bond angle
molecular geometry: steric # 4, 2 lone pairs
bent <109.5° bond angle
ideal bond angle: linear electron pair geometry
180 degrees
ideal bond angle: trigonal planar electron pair geometry
120 degrees
ideal bond angle: trigonal planar electron pair geometry
120 degrees
ideal bond angle: tetrahedral electron pair geometry
109.5 degrees
