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8.3
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Structural Formulas of Organic Compounds
Use the structural formula of the butane molecule below to answer the questions.
butane
H
H
H
H
H
C
C
C
C
H
H
H
H
H
1. What is the chemical formula for butane?
2. What do the straight lines in the structural formula represent?
3. There is another structure that can be drawn which also contains the same number of
carbon and hydrogen atoms as the butane molecule shown. Explain how this fact
illustrates the uniqueness of the carbon atom.
4. Draw the structure in the space below.
Draw the structural formula for each molecule.
5. C2H6
6. CH4O
7. C5H12 (draw three structures)
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Chapter 8 Worksheet 8.3-3
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