Allotropes of Carbon

Which consists of carbon atoms?

• graphite
• diamond
• fullerene
• all of these

Which has a 2D hexagonal layered structure?

• graphite
• diamond
• fullerene
• all of these

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

• graphite
• diamond
• fullerene
• two of these

What structure is shown in the diagram?

• Diamond
• Graphite

Which has a free delocalized electron between layers that gives rise to electrical conductivity ?

• graphite
• diamond
• fullerene
• none of these

Which is used in pencils ?

• graphite
• diamond
• fullerene
• none of these

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

Which is extremely hard?

• graphite
• diamond
• fullerene
• none of these

Which is used as a cutting tool and in jewelry?

• graphite
• diamond
• fullerene
• none of these