Review Geometrical Arrangements Characteristic of Hybrid Orbital Sets Atomic Hybrid 构型 Orbital Set Orbital Set Geometry Examples Geometry 180° Two sp BeF2 HgCl2 匣 Linear spp Three sp2 BF3,SO3 NO2 平面三角 120 Trigonal planar, Trigonal bent折线型 planar SPEp Four sp3 109.5 CH4,NH3,H2O,NH4* 3 sp tetrahedral, 四面体 trigonal pyramidal三角锥 折线型 Tetrahedral bentReview sp Geometry 构型 2 sp 3 sp NO2- Trigonal planar, bent tetrahedral, trigonal pyramidal bent 平面三角 折线型 四面体 三角锥 折线型