crude oil and hydrocarbons

• What is meant by a hydrocarbon?

  Molecules made of hydrogen and carbon atoms
• What is an alkane?

  A type of hydrocarbon with specific properties
• What products are derived from crude oil?

  • Plastics
  • Petrol
  • Pharmaceuticals
  • Cosmetics
• How is crude oil formed?

  From remains of tiny sea creatures buried in mud
• What is the nature of crude oil as a resource?

  It is a finite resource
• What defines hydrocarbons?

  Made up of hydrogen and carbon atoms only
• If n equals 1, how many hydrogen atoms are in methane?

  4 hydrogen atoms
• If n equals 2, how many hydrogen atoms are in ethane?

  6 hydrogen atoms
• How many hydrogen atoms are in propane with three carbon atoms?

  8 hydrogen atoms
• Why are alkanes considered saturated molecules?

  Carbon atoms are fully bonded to hydrogen atoms
• Which alkane structures should you memorize for the exam?

  • Methane
  • Ethane
  • Propane
  • Butane