Molecular shapes and Polarity

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

Name the shape: two regions of electron density

What could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Which molecule below would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

VSEPR stands for ________ theory.

• Valence Structure of Electron Pyramids and Regression
• Varied Structures of Electrons Paired and Replaced
• Varied Shell Energy of Protons and Radiation
• Valence Shell Electron Pair Repulsion

T or F: Lone pairs around the oxygen atom of a water molecule play no role in determining its molecular geometry?

• True
• False

What would be the bond angle between atoms in this molecule?

• 180

• 120

• 90

• 109.5

What would be the bond angle between atoms in this molecule?

• 109

• 120

• 180

• 90

What shape would a molecule have if it has 2 bonded pairs and 1 lone pair around its central atom? (It may help if you sketch this out)

• Linear

• Trigonal planar

• Tetrahedral

• Bent

What is the name of this molecule's shape?

• Bent

• Linear

• Tetrahedral

• Trigonal pyramidal