Topic 10 - giant covalent structures and fullerene

Question 1

properties of diamond

Answer 1

each carbon atom forms 4 covalent bonds
high melting point as strong covalent bonds
rigid lattice structure

Question 2

properties of graphite (hexagon shape)

Answer 2

each carbon atom forms 3 covalent bonds
lubricating metal
weak inter molecular forces
high melting point, conducts electricity
delocalised electron

Question 3

properties of graphene

Answer 3

one layer of graphite
its a sheet of carbon atoms, joined in hexagon shape
one atom thick, two dimensional compound

Question 4

properties of fullerene

Answer 4

closed tube, hollow ball shape

huge surface area