AP Chem Review Questions

What is the measure of a tetrahedral bond angle?

• 90 Degrees
• 109.5 Degrees
• 120 Degrees
• 180 Degrees

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

• Bipyramidal
• Bent
• Trigonal Planar
• Tetrahedral

Which molecule would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

Which of the following molecular shapes would have a bond angle of 180 Degrees?

• Bent
• Trigonal Planar
• Tetrahedral
• Linear

What molecule could this be? 

• BF₃
• CH₄
• H₂O
• CO₂

The bond angle for a trigonal planar molecule is 

• 90 Degrees
• 109.5 Degrees
• 120 Degrees
• 180 Degrees

What molecular shape is this? 

• Trigonal Planar
• Trigonal Bipyramidal
• Tetrahedral
• Pyramidal

What molecule could this be? 

• H₂O
• CCl₄
• PCl₅
• NaCl

Which shapes are altered by unshared pairs of electrons? 

• Bent and Pyramidal
• Trigonal Planar and Bent
• Tetrahedram and Bipyramidal
• Pyramidal and Linear

How many unshared pairs of electrons will a pyramidal molecule have? 

• 1
• 2
• 3
• 4