2. Print out a copy of [Worksheet for Molecular Polarity] and complete the table for the following: 1) CCl4 2) BeCl2 3)CS2 4) NF3
3. Write the symbol for a polar bond, _____________ and write down how you have memorized the direction of the symbol
______________________________________________________________________________
4. What are the cut-offs of deltaEN for ionic bonds ______________,
polar bond ______________, non-polar bond _____________
5. What is the phrase Mr. McLeod makes you memorize to help remember the type of molecular polarity of a compound/polyatomic ion?
6. _____________ is the name of the shape/geometry of a compound that has a central atom that single bonded to 2 outside atoms and has 2 LP (lone pairs on central atom).
7. What two type of substances will always give you a Linear geometry no matter the type of bonds (single, double or triple) the substance has? (Hint: Look at your 3 step process to determine Molecular Geometry)
a. ______________________________________________________
b. _______________________________________________________
8. What does "polar" mean with respect to distribution of valence electron in either the bond or the molecule? What does Non-polar mean?
9. Can an ionic compound (i.e. a set of ions) be polar or non-polar? Explain why or why not.
10. Pyramidal geometry is symmetrical, True or False (Circle one).