Exploring Graphene and Fullerenes

What is graphene?

• A molecule of carbon atoms with a hollow shape

• A single layer of graphite

• A cylindrical fullerene

• A compound of carbon and hydrogen

Which of the following is a property of graphene that makes it useful in electronics?

• High electrical conductivity

• Low melting point

• High density

• Poor thermal conductivity

What is the shape of Buckminsterfullerene (C60)?

• Cylindrical

• Spherical

• Cubic

• Tetrahedral

What are fullerenes primarily composed of?

• Hexagonal rings of carbon atoms

• Octagonal rings of carbon atoms

• Pentagonal rings of carbon atoms

• Tetragonal rings of carbon atoms

Which of the following is a use of carbon nanotubes?

• Food preservation

• Nanotechnology

• Textile manufacturing

• Water purification

What is a unique structural feature of carbon nanotubes?

• High length to diameter ratio

• Low length to diameter ratio

• Spherical shape

• Cubic shape

How many carbon atoms are there in Buckminsterfullerene?

• 30

• 60

• 90

• 120

Which of the following is NOT a property of graphene?

• High tensile strength

• High thermal conductivity

• High density

• Flexibility

What type of bonding is present in graphene?

• Ionic bonding

• Covalent bonding

• Metallic bonding

• Hydrogen bonding

Which of the following is a potential application of fullerenes?

• Solar cells

• Fertilizers

• Food additives

• Textile dyes