Answer:
1. heptane
2. octane
3. hexane
4. pentane
5. nonane
6. butane
7. propane
8. decane
Explanation:
Hydrocarbons are named based on how many carbon atoms they have.
meth - 1
eth - 2
prop - 3
but - 4
pent - 5
hex - 6
hept - 7
oct - 8
non - 9
dec - 10
Hope that helps.
