What are the different allotropes of carbon discussed in this chapter?
The common allotropes of carbon discussed in this chapter include diamond, graphite, and fullerenes. Diamond has a rigid three-dimensional structure making it the hardest natural material. Graphite has a layered structure that allows the layers to slide over each other, giving it lubricating properties. Fullerenes are spherical or tubular structures that have unique properties and are used in nanotechnology.