1. An element is a simple pure substance. It ____ be separated?
A. Can b. Can not

2. A compound ____ be separated?
A. Can B. Can not

3. Are compounds chemically combined?
A. Yes B. No

4. An element can be broken down by physical or chemical means.
A. True b. False

5. Frying pans are usually made from non metals because non metals are good conductors of heat.
A. True B. False

6. A compound has different properties than the elements that react to form it
A. True B. False

7. One example of changing a substance chemically is
A. Filtering it B. Burning it

8. Compounds can exist as either atoms or as molecules
A. True B. False

9. The sodium and chlorine in the compound sodium chloride can be separated by physical methods
A. True B. False

10. What is the name of the compound H2O
A. Water B. Hydrogen​