HC VSEPR & Polarity Check-In

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner shell electrons
• Mobile Electrons
• Electrons closest to the nucleus

What geometry is this? (The balloon-like shapes are lone pairs!)

• Linear

• Trigonal Pyramidal

• Bent

• Tetrahedral

What is the geometry of this molecule?

• Tetrahedral

• Linear

• Trigonal Pyramidal

• Trigonal Planar

Which molecule would have this shape (linear)?

• BF₃

• CH₄

• PCl₃

• CO₂

What molecule could this be? (Look at how many domains it has!)

• BF₃

• CH₄

• H₂O

• CO₂

SiCl₄ has what shape?

• Trigonal pyramid

• bent

• tetrahedral

• Trigonal planar

What Shape would BH₃ form?

• Trigonal Pyrimidal
• Trigonal Planar
• Tetrahedral
• Bent

What shape would PH₃ have?

• Trigonal Planar

• Trigonal pyramidal

• Bent

• Linear

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 does CH₂Br₂ have?

• Tetrahedral
• Trigonal Planar
• Bent 
• Trigonal Pyramidal