CK-12 Physical Science Concepts - For Middle School

(Marvins-Underground-K-12) #1

3.34. Isomers http://www.ck12.org



  • Isomers are different compounds with different properties, such as different boiling and melting points.


Vocabulary



  • isomer: Compound that has the same chemical formula as another compound but has molecules with a
    different shape and may have somewhat different properties.


Explore More


At the following URL, watch the video about isomers of hexane. Then answer the questions below.


http://www.youtube.com/watch?v=qOhEJK4Umds


MEDIA


Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/82357


  1. What is the chemical formula for hexane?

  2. How many isomers does hexane form?

  3. How do boiling points of hexane isomers vary?


Review



  1. What are isomers?

  2. Name and describe the isomers of butane.

  3. Identify the hydrocarbon that has nine isomers. What is its chemical formula?

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