vsepr

• 2 electron regions 0 lone pairs

  • Linear, 180 degrees
• 3 electron regions 0 lone pairs

  • Trigonal planar, 120 degrees
• 4 electron regions 0 lone pairs

  • Tetrahedral, 109 degrees
• 5 electron regions 0 lone pairs


  • Trigonal bipyramids, 120 and 90 degrees
• 6 electron regions 0 lone pairs

  • Octahedral, 90 degrees
• 3 electron regions 1 lone pair

  • Bent, >120 degrees
• 4 electron regions 1 lone pair

  • Trigonal pyramid, >109 degrees
• 5 electron regions 1 lone pair

  • 90 and 120 degrees
• 6 electron regions 1 lone pair

  • Square pyramid
• 4 electron regions 2 lone pairs

  • Bent, <109 degrees
• 5 electron regions 2 lone pairs

  • T-shape, <90 degrees
• 6 electron regions 2 lone pairs


  • Square planar, 90 degrees
• 5 electron regions 3 lone pairs

  • Linear, 180 degrees
• 6 electron regions 3 lone pairs

  • T-shape
• 6 electron regions 4 lone pairs

  • Linear, 180 degrees