2.2 (2) Guided Reading

Chemicals of Life

As you carefully read through the text, answer the following questions as completely as possible!

1. What is matter?

2. List several examples of things that are made up of matter.

3. Matter is made up of a mixture of things called _______________________.

4. What are elements?

5. What can you find inside elements? Describe this particle.

6. Each element has a different type of ______________________, and is represented with a one or two letter ________________________.

7. What are atoms made up of? List the charges of each of these atoms.

8. Explain where the protons, neutrons, and electrons are located in an atom.

9. What is the atomic number?

10. What is the periodic table? Describe how the periodic table is structured.

11. What is a molecule? Describe an example.

12. What is a compound? How are elements related to compounds?

13. What happens during a chemical reaction?

14. Describe how the products and reactants are related in a chemical reaction.