Understanding Allotropes of Carbon

What is an allotrope?

• A mixture of different elements

• A different element in a different physical state

• A different structural form of the same element in the same physical state

• A compound formed by different elements

How many covalent bonds does each carbon atom form in diamond?

• Three

• Two

• Five

• Four

Why is graphite able to conduct electricity?

• Because it has a high melting point

• Because it has delocalized electrons

• Because it has free ions

• Because it has a metallic structure

What is a single layer of graphite called?

• Fullerene

• Diamond

• Graphene

• Carbon nanotube

What are fullerenes?

• Layers of graphite

• A form of carbon with no structure

• Spheres and tubes made from graphene

• A type of diamond