Covalent Bonding, VSEPR, and Polarity Lesson

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

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

• Bipyramidal
• Bent
• Trigonal Planar
• Tetrahedral

Which molecule would have this molecular geometry?

• BF₃

• CH₄

• PCl₅

• CO₂

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.HS-PS1-3

Who could this be? 

• CO₂
• NH₃
• H₂S
• CH₄

Tags

NGSS.HS-PS1-3

Is this molecule polar?

• _Yes

• _No

Is this molecule polar?

• No, there are four things around the central atom.

• _{Yes, the dipole moment (+-->)would point to the purple area that represents the unbonded pair of electrons.}

What is the the shape of this molecule according to VSPER theory?

• Linear
• Tetrahedral
• Trigonal Planar
• Trigonal pyramidal

Choose the correct shape for this molecule:

• Trigonal planar
• Trigonal pyramidal
• Tetrahedral
• Linear

Bond angle for bent. Look at your second reference chart.

• 120^o

• 109.5^o

• 104.5^o

• 107^o