VOCABULARY 1 What are these? Write the captions under these pictures choosing from: Alkanes, Alkenes and Alkynes; Carbon atoms; Functional groups. H R O 6 Protons + 6 Neutrons Electron R Proton Propane N H C OH Propene OH O Neutron P OH Propyne R a. .............................................................................. b. .............................................................................. O c. .............................................................................. c. .............................................................................. c. .............................................................................. ACTIVITIES 2 Are these natural or synthetic polymers? a. .............................................................................. b. .............................................................................. 3 What organic molecules are these? a. .............................................................................. 130 Module 3 ATOMS b. ..............................................................................