VSEPR Structures

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

Which of the following shapes has an unshared pairs of electrons on the central atom? 

• Linear

• Bent
• Trigonal Planar
• Tetrahedral

Which molecule would have this molecular geometry?

• BF₃
• CH₄
• PCl₅
• CO₂

What molecule could this be? 

• BF₃
• CH₄
• H₂O
• CO₂

What could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

What molecular geometry would PH₃ have?

• Trigonal Pyramidal

• Trigonal Bipyramidal

• Bent

• Linear

How many lone pairs of electrons are on the P atom in PF₃?

• 1
• 2
• 3
• 0

Consider the molecule below.  Determine the molecular geometry at each of the 2 labeled carbons.

• C1 = tetrahedral, C2 = linear
• C1 = trigonal planar, C2 = bent
• C1 = bent, C2 = trigonal planar
• C1 = trigonal planar, C2 = tetrahedral

What shape would PCl₅ have?

• octahedral

• trigonal pyramidal

• trigonal bipyramidal

• tetrahedral