Reading condensed formula of organic compounds

The most important thing to remember is the number of bonds carbon forms. How many bonds does carbon want to form in the organic compounds we have been studying?

Answer: 4 bonds

This is very important along with the fact that hydrogen only needs one bond. So lets look at a condensed formula and see how we would 'see' it.

Consider CH₃CH₂CHCHCH₂CH₃. Is this an alkane, an alkene or an alkyne?

Answer.