Shapes Of Molecules

Shapes Of Molecules

1. No Lone Pairs

   • Number of Bonded Electron Pairs Around The Central Atom
     • Three or Less
       • Three
         • Trigonal Planar
           • Example: BF3
             • Bond Angle : 120
       • Two
         • Linear
           • Example: CO2
             • Bond Angle: 180
       • One
         • Linear
           • Example: H2
     • Four To Six
       • Four
         • Tetrahedral
           • Example: CH4
             • Bond Angle: 109.5
       • Five
         • Trigonal Bipyramidal
           • Example: PCL5
             • Bond Angle: 120 and 90
       • Six
         • Octahedral
           • Example: SF6
             • Bond Angle: 90

2. One Lone Pair

   • Pyramidal
     • Example: BF3
       • Bond Angle: 107

3. Two Lone Pairs

   • Non-Linear
     • Example: H2O
       • Bond Angle: 104.5

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