Wednesday, January 20, 2010

Test This Week!

Just a few thoughts on what types of questions you should be able to answer:

1. How does heat affect the motion of atoms or molecules?

2. How does heat affect density of matter?

3. Explain the process by which a liquid changes into a solid. Be sure to indicate what happens to the atoms, how the density changes, and how heat is involved.

4. Give an example of a solid changing directly into a gas. What is this process called?

5. Give an example of a gas changing directly into a solid. What is this process called?

6. Using the Periodic Table of the Elements, determine the following information for any element: Atomic Mass, Atomic Number, Number of Protons, Number of Electrons, Number of Neutrons