Valence Shell Electron Pair Repulsion (VSEPR)
    Atoms plus
    lone pairs    		 Lone
    pairs    		 Molecular
    Geometry

    		Bond
    angle    		 Example
    2 0 Linear


    		180° CO2
    3 0 Trigonal Planar 120° H2CO
      1 Angular (bent)


    		  O3
    4 0 Tetrahedral 109.5° CH4
      1 Trigonal pyramidal   NH3
      2 Angular (bent)


    		  H2O
    5 0 Trigonal bipyramidal 90, 120° PCl5
      1 Seesaw   SF4
      2 T shaped   BrF3
      3 Linear


    		  XeF2
    6 0 Octahedral 90° SF6
      1 Square pyramidal   BrF5
      2 Square planar   XeF4

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    VSEPR | Global Warming | ChemConnections