I chose the compound molecule isoprene. Its formula is C5H8, which means it contains 5 carbon and 8 hydrogen molecules. Natural isoprene is a very flammable, colorless liquid found in plants and animals (even humans!). Too much isoprene can be harmful to the environment and it is a carcinogen for people, but as a polymer it is the basis of natural rubber. Rubber has many uses because it can be hard or soft. I use rubber every day: in bands that tie my hair back, on the bottom of my shoes so I won’t slip, to erase mistakes at school, and in my bicycle tires to create friction with the road. Doctors and nurses also use rubber in their gloves to keep safe during the pandemic.

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