Unit 3 Review Chemical Bonding

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

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 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

Which shapes are altered by unshared pairs of electrons? 

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

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃