Lesson 22 Make-up Lab

Combining Elements

Use these internet cites to help you answer the questions below.

http://www.ithacasciencezone.com/chemzone/lessons/03bonding/mleebonding/default.htm

http://www.ithacasciencezone.com/chemzone/lessons/03bonding/dogbonds.htm

http://www.ithacasciencezone.com/chemzone/lessons/03bonding/default.htm

http://library.thinkquest.org/15567/lessons/7.html

1. Choose four elements and list their properties.

2. Place your four elements into two major groups.

3. Identify your groups on the periodic table.

4. Make a compound from the elements in your two groups.

5. Construct a simple chemical equation for your elements.

6. Define reactants and products.

7. What are the difference between reactants and products?

8. What happens to a brillo (steel wool) pad when it is exposed to water and air?

9. Why do you think this reaction occurs?