Molecule Models

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

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

What molecule could this be? 

• BF₃
• CH₄
• H₂O
• CO₂

Tags

NGSS.HS-PS1-3

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 bent molecule have? 

• 1
• 2
• 3
• 4

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

• 1

• 2

• 3

• 4

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

Who could this be? 

• CO₂
• NH₃
• H₂S
• CH₄

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Who could this be?

• H₂O
• NH₃
• CO₂
• CH₄

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2