Chapter 5 Questions

Chapter 5
1. Read Chapter 5.

2. Complete the following questions:
5, 7, 9, 11, 15, 19, 21, 23, 29, 33, 35, 39, 41, 43, 47, 49, 51, 55.
4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4.

3. (2) Among the millions of compounds that are known to man, a very large percentage contain carbon chains. Why is this and how does it relate to covalent bonding?

4. (4) What are lone pair electrons and how many lone pairs does a molecule of water have? Find out the shape of a water molecule based on the VSEPR theory. How does this shape impact the properties of water?

5. (2) Why is it favourable for a molecule of N2 (nitrogen) to have a triple bond? How is it possible for a molecule of N2 to have a triple bond?

6. (3) What is coordinate covalent bonding and how is it different from normal covalent bonding?

7. (2) Why is the bond angle 120 degrees for a trigonal planar molecule?

8. (2) What are the seven primary odours?

9. (4) In your own words explain what electronegativity is. What element has the highest electronegativity? Lowest?

10. (2) Is water a polar or nonpolar molecule? How can you tell?

11. (2) Oil is make of long chains of carbon and hydrogen. Would a molecule of oil be polar or nonpolar? How can you tell?

Bonus: (1) Read this MSDS sheet: Haz clic aqui What is the most common name for DHMO?

Chapter Questions: 58
Assignment Questions: 22
Total Marks: 80