9.2 VSEPR theory 1)Lewis Structure 汝一Be一处 2)Number of valence electrons 2 pairs of valence electrons around a central atom Beryllium Chloride 180° They repel each other at opposite ends of the central atom
9.2 VSEPR theory pairs of around val a 2 ence ele a ctron t s central om 1) Lewis Structure Cl Be Cl 2) Number of valence electrons a central atom They repel each other at opposite ends of the central atom
9.2 VSEPR theory of atoms of lone bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB2 2 0 linear linear 180° 180° :A Beryllium Chloride BeCl 180°
AB2 2 0 Class # of atoms bonded to central atom # of lone pairs on central atom Arrangement of electron pairs Molecular Geometry linear linear B B 9.2 VSEPR theory B B Beryllium Chloride BeCl2
9.2 VSEPR theory of atoms of lone bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB3 3 0 trigonal trigonal planar planar Boron Trifluoride BF3 120° \ Planar
Class # of atoms bonded to central atom # of lone pairs on central atom Arrangement of electron pairs Molecular Geometry AB3 3 0 trigonal planar trigonal planar Boron Trifluoride BF3 9.2 VSEPR theory
9.2 VSEPR theory of atoms of lone bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB 4 0 tetrahedral tetrahedral B 109.5° Methane CHa B B 109.5° Tetrahedral
Class # of atoms bonded to central atom # of lone pairs on central atom Arrangement of electron pairs Molecular Geometry AB4 4 0 tetrahedral tetrahedral Methane CH 9.2 VSEPR theory Methane CH4
9.2 VSEPR theory of atoms lone bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB5 5 0 trigonal trigonal bipyramidal bipyramidal Phosphorus Pentachloride (PCL) 90 B 90° 120° Trigonal bipyramidal
Class # of atoms bonded to central atom # lone pairs on central atom Arrangement of electron pairs Molecular Geometry AB5 5 0 trigonal bipyramidal trigonal bipyramidal Phosphorus Pentachloride (PCl ) 9.2 VSEPR theory (PCl5)