Graphene is best described as which of the following?

Graphene is best described as which of the following?

• A. A polymer
• B. A ceramic
• C. Graphene
• D. Ultra-strong, ultra-thin carbon material with extraordinary electrical properties

Answer: (D)

Graphene is a single-atom-thick sheet of carbon atoms arranged in a hexagonal lattice. This ultra-thin carbon material is celebrated for its combination of extreme strength and excellent electrical conductivity. That makes the description "ultra-strong, ultra-thin carbon material with extraordinary electrical properties" the best fit, because it directly communicates both the mechanical robustness and the remarkable electronic behavior that define graphene. It’s not a polymer, which would be made of long chains of repeating units, nor a ceramic, which are typically brittle inorganic solids; graphene is a carbon allotrope with a two-dimensional structure that gives rise to its unique properties. In short, the statement emphasizes the two standout features—strength and conductivity—that set graphene apart from more familiar material classes.

Graphene is a single-atom-thick sheet of carbon atoms arranged in a hexagonal lattice. This ultra-thin carbon material is celebrated for its combination of extreme strength and excellent electrical conductivity. That makes the description "ultra-strong, ultra-thin carbon material with extraordinary electrical properties" the best fit, because it directly communicates both the mechanical robustness and the remarkable electronic behavior that define graphene. It’s not a polymer, which would be made of long chains of repeating units, nor a ceramic, which are typically brittle inorganic solids; graphene is a carbon allotrope with a two-dimensional structure that gives rise to its unique properties. In short, the statement emphasizes the two standout features—strength and conductivity—that set graphene apart from more familiar material classes.