VSEPR and Lewis diagrams review chemistry
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how do you know if the overall and molecular geometry is linear
2 bonding pairs 0 lone pairs bonding angle= 180°
how do you know if the overall and molecular geometry is trigonal planar
3 bonding pairs 0 lone pairs bonding angle= 120°
how do you know if the over all geometry is trigonal planar but the molecular geometry is bent/angular
2 bonding pairs 1 lone pair bonding angle= 120°
how do you know if the overall and molecular geometry is tetrahedral
4 bonding pairs 0 lone pairs bonding angle = 109.5° (with triangle and 3 lines)
how do you know if the over all geometry is tetrahedral but the molecular geometry is trigonal pyramidal
3 bonding pairs 1 lone pair bonding angle= 107° (with triangle and 3 lines)
how do you know if the over all geometry is tetrahedral but the molecular geometry is bent/angular
2 bonding pairs 2 lone pairs bonding angle = 104.5° lp-lp = most repulsion = smallest angle