Naming Alkanes - Worksheet Page 2

Draw structural formulas for the following molecules. Remember the following:

• Carbons on the end of a chain are attached to three hydrogens

• Carbons in the middle of a chain are attached to two hydrogens

• Carbons that have one branch attached are also attached to one hydrogen

• Carbons that have two branches attached are not attached to any hydrogens.

4-ethyl-octane

2-methyl-nonane

10. 2-methyl-2-ethyl-butane

11. 3-ethyl-pentane

12. 2-methyl-3-ethyl-heptane

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