Quiz - Ch. 8 - Bonding Theories and VSEPR

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 ALWAYS has unshared pairs of electrons on the central atom? 

• Bipyramidal
• Bent
• Trigonal Planar
• Tetrahedral

Which molecule would have this shape? (AX₂)

• 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? (AX₃ or AX₂E) 

• 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? (AX₅ or AX₄E or AX₃E₂ or AX₂E₃)

• Trigonal Planar
• Trigonal Bipyramidal
• Tetrahedral
• Pyramidal

What molecule could this be? (AX₅)

• H₂O
• CCl₄
• PCl₅
• NaCl

Tags

NGSS.HS-PS1-1

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

• 1 or 2
• 2 or 3
• 3 or 5
• 4 or 5