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CP Review Homework for LDS, Geometry and Polarity
1. Print out a copy of [Bond Polarity Worksheet] and fill in the appropriate information for when the following two atom have their valence electron interact: 1) C & O, 2) Al & Cl, 3) N & H, 4) P & Cl, 5) C & S, 6) K & Br.
2. Print out a copy of [Worksheet for Molecular Geometry] and fill in the appropriate information for N1H3, B1F3, N2,C1O2
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).