Allotropes of Carbon

Which consists of carbon atoms?

• graphite
• diamond
• fullerene
• all of these

Which has a 2D hexagonal layered structure?

• graphene

• diamond
• fullerene
• all of these

Which have a every carbon atom covalently bonded to three others?

• graphite
• diamond
• fullerene
• carbon nanotubes

What structure is shown in the diagram?

• Diamond
• Graphite
• Graphene

• Fullerenes

Which has weak forces in between layers?

• graphite
• diamond
• fullerene
• none of these

Which has a free delocalised electron between layers that can move and carry charge conducting electicity?

• graphite
• diamond
• graphene

• none of these

Which is used in pencils ?

• graphite
• diamond
• fullerene
• none of these

Why can graphite be used in pencils?

• it is soft

• it is hard

• it can conduct electricity

• it has has high melting point

Which has a 3D hexagonal structure?

• graphite
• diamond
• fullerene
• none of these

Which has every carbon atom covalently bonded to four other atoms?

• graphite
• diamond
• fullerene
• none of these