Reading Questions Elements, Compounds and Mixtures
Your text book, and the notes in your journal will help answer these questions.  
1.) What is a pure substance?
2.) List 3 properties that can be used to identify and classify elements.
3.) What are the 3 different categories of elements?
4.) Which category of elements would be best for making insulating (does not concuct electricityof heat) materials? Explain why you chose that category.
5.) Explain the difference between a compound and an element.
6.) Are compounds natural substances or man-made? Explain your answer.
7.) Since water is one of the most well known compounds and very important for life,why is it notlisted on the Periodic Table?
8.) What is meant in the textbook when it says that compounds “break down”.