Name: ____________________________________ Class: ____________________ Date: ______________

Elements, Compounds, & Mixtures

Table # Name of Substance Observations

Element,Compound,or Mixture?

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Table # Name of Substance Observations

Element,Compound,or Mixture?

Post-Lab Conclusions:1. How did you determine whether a substance was an element?

2. How did you determine whether a substance was a compound?

3. How did you determine whether a substance was a mixture?

4. Most substances in nature are actually _________________.

5. Occasionally, you will find a __________________ in nature, like salt.

6. It is very rare to find an ___________________ in nature, something like pure iron.

7. Write the chemical formula for the compound depicted below.

8. What is the common name for the compound pictured above?

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9. Describe the mixture below using as many chemical formulas as necessary.

10. What is the common name for the mixture pictured above?

11. Why did NASA choose the ingredients above to make the mixture?

12. Describe the mixture below using as many chemical formulas as necessary.

13. What is the common name for the mixture pictured above?