Name ____________________________________________________________________________ Period _______ Lewis Structures, Shapes, Polarity and Intermolecular Attractions 1. a) What does VSEPR Theory stand for? b) Why is this theory important in determining shapes of molecules? 2. List the 3 Intermolecular Attractions (Intermolecular Forces: IMF) between molecules in order of STRONGEST to WEAKEST 3. Draw Lewis Structures for the following molecules. Determine the shape, polarity, and STRONGEST Intermolecular Attractions. a. I2O b. SO3 Shape: Shape: Polarity: Polarity: IMF: IMF: c. CH4 d. H2O Shape: Shape: Polarity: Polarity: IMF: IMF:
e. Shape: Polarity: IMF:
NF3
f. Shape: Polarity: IMF:
Cl2
4. The STRONGER the Intermolecular Attraction (or Intermolecular Force, IMF), the HIGHER the boiling point. a. Which molecule(s) from a-‐f would have the highest boiling point? ________________ State what type of Intermolecular Attraction (or Intermolecular Force, IMF) this molecule has.
b. Which molecule(s) from a-‐f would have the lowest boiling point? _________________ State what type of Intermolecular Attraction (or Intermolecular Force, IMF) this molecule has.
IMF shapes and polarity 2014.pdf
Page 1 of 2. Name. Period ______. Lewis Structures, Shapes, Polarity and Intermolecular Attractions. 1. a) What does VSEPR Theory stand for? b) Why is this ...