Answer:
Prefix
Step-by-step explanation:
- Hydrocarbon are organic compounds that are made up of hydrogen atoms and carbon atoms.
- The root name of a hydrocarbon is based on whether the hydrocarbon form a chain or a ring.
- A prefix to the hydrocarbon name comes before the molecule and is based on the number of carbon atoms in the hydrocarbon.
- For example, a chain eight carbon atoms would be using prefix oct-.