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P. Science Unit 4-3 page 81-131 (100 Points)

                        Essays

21. Write the hydrocarbon group and the name for each of the following:  (10 pts) 

22.  Name and draw five isomers of ? (10 pts) 

23. Write the hydrocarbon group and draw each of the following:  (10 pts)

24. Name the following structures around the room and indicate to which group they belong: (10 Points)

25. ?.(5 pts)

26.Draw ? using the four types of formulas, and label which formula is each drawing. (10 Points)

27. List five names for hydrocarbons and the corresponding number.  (i.e.  1= Methane-do NOT use this one.) (10 pts)

28. List five science facts from the chapter on page 96, 97 and 121.(5 pts)

29.   Name four biological Polymers ? (10 Points)