Fill in the blanks with the options given:
  
Answer variants:
\(CH_3(CH_2)_7CH_3\)
Hexene
Carbon and hydrogen
Ethyl alcohol
Suffix
 
1. Hydrocarbons are organic compounds that are made up of ___________ and ___________ atoms.
 
2. \(C_6H_{12}\) is the condensed formula for the compound __________.