Posted in 6 SBI4U Biology

SBI4U VSEPR Interactive

Click here and download the 3D model kit to practice VSEPR shapes.  You may have to update or download Java to run the program.

  • electron pairs repel each other in 3D space so repulsion is minimized
  • lone pairs are more repulsive than bonding pairs due to the absence of a nucleus
  • double and triple bonds are treated as a single bonding pair
  • only bonding pairs are used to declare the shape of the molecule around the central atom, but lone pairs may have an influence on this shape

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