| Unit 2: Chemistry |
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1. The table on the right contains several common compounds that are probably familiar to you.
sugar
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C12H22O11 |
marble
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CaCO3 |
| natural gas |
CH4 |
| rubbing alcohol |
C3H8O |
| glass |
SiO2 |
For each compound:
- List the names of the elements present.
- State the number of atoms of each element present.
- Give the total number of atoms present in each compound.
2. Write a chemical formula for nitrous oxide (laughing gas) that is made up of two atoms of nitrogen and one atom of oxygen.
3. Choose one compound from the table in Question 1.
- Describe the properties of each element in the compound.
- Explain how the property of the compound is different from the property of each element.
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| Preparing for the Chapter Challenge |
| In a short paragraph, summarize the difference between an element and a compound and describe how the properties of a compound can be very different from the properties of the elements that make it up. Explain why knowing these differences is important when designing special effects for a movie set. |
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| Inquiring Further |
| How is electrolysis used in industry? Use the reference materials available to you to explore how electrolysis is used in industry to produce hydrogen gas and other elements from compounds. |
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